/* dwarf.c -- display DWARF contents of a BFD binary file
- Copyright 2005, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2005-2019 Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "sysdep.h"
#include "libiberty.h"
#include "bfd.h"
+#include "bfd_stdint.h"
#include "bucomm.h"
+#include "elfcomm.h"
#include "elf/common.h"
#include "dwarf2.h"
#include "dwarf.h"
+#include "gdb/gdb-index.h"
+#include "filenames.h"
+#include "safe-ctype.h"
+#include <assert.h>
+
+#undef MAX
+#undef MIN
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
static const char *regname (unsigned int regno, int row);
static int have_frame_base;
static int need_base_address;
-static unsigned int last_pointer_size = 0;
-static int warned_about_missing_comp_units = FALSE;
-
static unsigned int num_debug_info_entries = 0;
+static unsigned int alloc_num_debug_info_entries = 0;
static debug_info *debug_information = NULL;
/* Special value for num_debug_info_entries to indicate
that the .debug_info section could not be loaded/parsed. */
#define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
-int eh_addr_size;
+/* A .debug_info section can contain multiple links to separate
+ DWO object files. We use these structures to record these links. */
+typedef enum dwo_type
+{
+ DWO_NAME,
+ DWO_DIR,
+ DWO_ID
+} dwo_type;
+
+typedef struct dwo_info
+{
+ dwo_type type;
+ const char * value;
+ struct dwo_info * next;
+} dwo_info;
+
+static dwo_info * first_dwo_info = NULL;
+static bfd_boolean need_dwo_info;
+
+separate_info * first_separate_info = NULL;
+
+unsigned int eh_addr_size;
int do_debug_info;
int do_debug_abbrevs;
int do_debug_macinfo;
int do_debug_str;
int do_debug_loc;
+int do_gdb_index;
int do_trace_info;
int do_trace_abbrevs;
int do_trace_aranges;
+int do_debug_addr;
+int do_debug_cu_index;
int do_wide;
+int do_debug_links;
+int do_follow_links;
-/* Values for do_debug_lines. */
-#define FLAG_DEBUG_LINES_RAW 1
-#define FLAG_DEBUG_LINES_DECODED 2
+int dwarf_cutoff_level = -1;
+unsigned long dwarf_start_die;
-dwarf_vma (*byte_get) (unsigned char *, int);
+int dwarf_check = 0;
-dwarf_vma
-byte_get_little_endian (unsigned char *field, int size)
-{
- switch (size)
- {
- case 1:
- return *field;
-
- case 2:
- return ((unsigned int) (field[0]))
- | (((unsigned int) (field[1])) << 8);
-
- case 3:
- return ((unsigned long) (field[0]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[2])) << 16);
-
- case 4:
- return ((unsigned long) (field[0]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[2])) << 16)
- | (((unsigned long) (field[3])) << 24);
-
- case 8:
- if (sizeof (dwarf_vma) == 8)
- return ((dwarf_vma) (field[0]))
- | (((dwarf_vma) (field[1])) << 8)
- | (((dwarf_vma) (field[2])) << 16)
- | (((dwarf_vma) (field[3])) << 24)
- | (((dwarf_vma) (field[4])) << 32)
- | (((dwarf_vma) (field[5])) << 40)
- | (((dwarf_vma) (field[6])) << 48)
- | (((dwarf_vma) (field[7])) << 56);
- else if (sizeof (dwarf_vma) == 4)
- /* We want to extract data from an 8 byte wide field and
- place it into a 4 byte wide field. Since this is a little
- endian source we can just use the 4 byte extraction code. */
- return ((unsigned long) (field[0]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[2])) << 16)
- | (((unsigned long) (field[3])) << 24);
+/* Convenient constant, to avoid having to cast -1 to dwarf_vma when
+ testing whether e.g. a locview list is present. */
+static const dwarf_vma vm1 = -1;
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
- }
-}
+/* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
+ sections. For version 1 package files, each set is stored in SHNDX_POOL
+ as a zero-terminated list of section indexes comprising one set of debug
+ sections from a .dwo file. */
-dwarf_vma
-byte_get_big_endian (unsigned char *field, int size)
-{
- switch (size)
- {
- case 1:
- return *field;
-
- case 2:
- return ((unsigned int) (field[1])) | (((int) (field[0])) << 8);
-
- case 3:
- return ((unsigned long) (field[2]))
- | (((unsigned long) (field[1])) << 8)
- | (((unsigned long) (field[0])) << 16);
-
- case 4:
- return ((unsigned long) (field[3]))
- | (((unsigned long) (field[2])) << 8)
- | (((unsigned long) (field[1])) << 16)
- | (((unsigned long) (field[0])) << 24);
-
- case 8:
- if (sizeof (dwarf_vma) == 8)
- return ((dwarf_vma) (field[7]))
- | (((dwarf_vma) (field[6])) << 8)
- | (((dwarf_vma) (field[5])) << 16)
- | (((dwarf_vma) (field[4])) << 24)
- | (((dwarf_vma) (field[3])) << 32)
- | (((dwarf_vma) (field[2])) << 40)
- | (((dwarf_vma) (field[1])) << 48)
- | (((dwarf_vma) (field[0])) << 56);
- else if (sizeof (dwarf_vma) == 4)
- {
- /* Although we are extracing data from an 8 byte wide field,
- we are returning only 4 bytes of data. */
- field += 4;
- return ((unsigned long) (field[3]))
- | (((unsigned long) (field[2])) << 8)
- | (((unsigned long) (field[1])) << 16)
- | (((unsigned long) (field[0])) << 24);
- }
+static unsigned int *shndx_pool = NULL;
+static unsigned int shndx_pool_size = 0;
+static unsigned int shndx_pool_used = 0;
- default:
- error (_("Unhandled data length: %d\n"), size);
- abort ();
- }
-}
+/* For version 2 package files, each set contains an array of section offsets
+ and an array of section sizes, giving the offset and size of the
+ contribution from a CU or TU within one of the debug sections.
+ When displaying debug info from a package file, we need to use these
+ tables to locate the corresponding contributions to each section. */
-static dwarf_vma
-byte_get_signed (unsigned char *field, int size)
+struct cu_tu_set
{
- dwarf_vma x = byte_get (field, size);
+ uint64_t signature;
+ dwarf_vma section_offsets[DW_SECT_MAX];
+ size_t section_sizes[DW_SECT_MAX];
+};
- switch (size)
- {
- case 1:
- return (x ^ 0x80) - 0x80;
- case 2:
- return (x ^ 0x8000) - 0x8000;
- case 4:
- return (x ^ 0x80000000) - 0x80000000;
- case 8:
- return x;
- default:
- abort ();
- }
-}
+static int cu_count = 0;
+static int tu_count = 0;
+static struct cu_tu_set *cu_sets = NULL;
+static struct cu_tu_set *tu_sets = NULL;
-static int
+static bfd_boolean load_cu_tu_indexes (void *);
+
+/* Values for do_debug_lines. */
+#define FLAG_DEBUG_LINES_RAW 1
+#define FLAG_DEBUG_LINES_DECODED 2
+
+static unsigned int
size_of_encoded_value (int encoding)
{
switch (encoding & 0x7)
}
static dwarf_vma
-get_encoded_value (unsigned char *data, int encoding)
+get_encoded_value (unsigned char **pdata,
+ int encoding,
+ struct dwarf_section *section,
+ unsigned char * end)
{
- int size = size_of_encoded_value (encoding);
+ unsigned char * data = * pdata;
+ unsigned int size = size_of_encoded_value (encoding);
+ dwarf_vma val;
+
+ if (data + size >= end)
+ {
+ warn (_("Encoded value extends past end of section\n"));
+ * pdata = end;
+ return 0;
+ }
+
+ /* PR 17512: file: 002-829853-0.004. */
+ if (size > 8)
+ {
+ warn (_("Encoded size of %d is too large to read\n"), size);
+ * pdata = end;
+ return 0;
+ }
+
+ /* PR 17512: file: 1085-5603-0.004. */
+ if (size == 0)
+ {
+ warn (_("Encoded size of 0 is too small to read\n"));
+ * pdata = end;
+ return 0;
+ }
if (encoding & DW_EH_PE_signed)
- return byte_get_signed (data, size);
+ val = byte_get_signed (data, size);
+ else
+ val = byte_get (data, size);
+
+ if ((encoding & 0x70) == DW_EH_PE_pcrel)
+ val += section->address + (data - section->start);
+
+ * pdata = data + size;
+ return val;
+}
+
+#if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG
+# ifndef __MINGW32__
+# define DWARF_VMA_FMT "ll"
+# define DWARF_VMA_FMT_LONG "%16.16llx"
+# else
+# define DWARF_VMA_FMT "I64"
+# define DWARF_VMA_FMT_LONG "%016I64x"
+# endif
+#else
+# define DWARF_VMA_FMT "l"
+# define DWARF_VMA_FMT_LONG "%16.16lx"
+#endif
+
+/* Convert a dwarf vma value into a string. Returns a pointer to a static
+ buffer containing the converted VALUE. The value is converted according
+ to the printf formating character FMTCH. If NUM_BYTES is non-zero then
+ it specifies the maximum number of bytes to be displayed in the converted
+ value and FMTCH is ignored - hex is always used. */
+
+static const char *
+dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
+{
+ /* As dwarf_vmatoa is used more then once in a printf call
+ for output, we are cycling through an fixed array of pointers
+ for return address. */
+ static int buf_pos = 0;
+ static struct dwarf_vmatoa_buf
+ {
+ char place[64];
+ } buf[16];
+ char *ret;
+
+ ret = buf[buf_pos++].place;
+ buf_pos %= ARRAY_SIZE (buf);
+
+ if (num_bytes)
+ {
+ /* Printf does not have a way of specifying a maximum field width for an
+ integer value, so we print the full value into a buffer and then select
+ the precision we need. */
+ snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value);
+ if (num_bytes > 8)
+ num_bytes = 8;
+ return ret + (16 - 2 * num_bytes);
+ }
else
- return byte_get (data, size);
+ {
+ char fmt[32];
+
+ if (fmtch)
+ sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
+ else
+ sprintf (fmt, "%%%s", DWARF_VMA_FMT);
+ snprintf (ret, sizeof (buf[0].place), fmt, value);
+ return ret;
+ }
+}
+
+static inline const char *
+dwarf_vmatoa (const char * fmtch, dwarf_vma value)
+{
+ return dwarf_vmatoa_1 (fmtch, value, 0);
}
/* Print a dwarf_vma value (typically an address, offset or length) in
- hexadecimal format, followed by a space. The length of the value (and
- hence the precision displayed) is determined by the byte_size parameter. */
+ hexadecimal format, followed by a space. The length of the VALUE (and
+ hence the precision displayed) is determined by the NUM_BYTES parameter. */
static void
-print_dwarf_vma (dwarf_vma val, unsigned byte_size)
+print_dwarf_vma (dwarf_vma value, unsigned num_bytes)
{
- static char buff[18];
+ printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes));
+}
- /* Printf does not have a way of specifiying a maximum field width for an
- integer value, so we print the full value into a buffer and then select
- the precision we need. */
-#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
-#ifndef __MSVCRT__
- snprintf (buff, sizeof (buff), "%16.16llx ", val);
-#else
- snprintf (buff, sizeof (buff), "%016I64x ", val);
-#endif
-#else
- snprintf (buff, sizeof (buff), "%16.16lx ", val);
-#endif
+/* Print a view number in hexadecimal value, with the same width
+ print_dwarf_vma would have printed it with the same num_bytes.
+ Print blanks for zero view, unless force is nonzero. */
+
+static void
+print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force)
+{
+ int len;
+ if (!num_bytes)
+ len = 4;
+ else
+ len = num_bytes * 2;
+
+ assert (value == (unsigned long) value);
+ if (value || force)
+ printf ("v%0*lx ", len - 1, (unsigned long) value);
+ else
+ printf ("%*s", len + 1, "");
+}
- fputs (buff + (byte_size == 4 ? 8 : 0), stdout);
+/* Format a 64-bit value, given as two 32-bit values, in hex.
+ For reentrancy, this uses a buffer provided by the caller. */
+
+static const char *
+dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
+ unsigned int buf_len)
+{
+ int len = 0;
+
+ if (hvalue == 0)
+ snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
+ else
+ {
+ len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
+ snprintf (buf + len, buf_len - len,
+ "%08" DWARF_VMA_FMT "x", lvalue);
+ }
+
+ return buf;
}
-unsigned long int
-read_leb128 (unsigned char *data, unsigned int *length_return, int sign)
+/* Read in a LEB128 encoded value starting at address DATA.
+ If SIGN is true, return a signed LEB128 value.
+ If LENGTH_RETURN is not NULL, return in it the number of bytes read.
+ No bytes will be read at address END or beyond. */
+
+dwarf_vma
+read_leb128 (unsigned char *data,
+ unsigned int *length_return,
+ bfd_boolean sign,
+ const unsigned char * const end)
{
- unsigned long int result = 0;
+ dwarf_vma result = 0;
unsigned int num_read = 0;
unsigned int shift = 0;
- unsigned char byte;
+ unsigned char byte = 0;
- do
+ while (data < end)
{
byte = *data++;
num_read++;
- result |= ((unsigned long int) (byte & 0x7f)) << shift;
+ result |= ((dwarf_vma) (byte & 0x7f)) << shift;
shift += 7;
+ if ((byte & 0x80) == 0)
+ break;
+ /* PR 17512: file: 0ca183b8.
+ FIXME: Should we signal this error somehow ? */
+ if (shift >= sizeof (result) * 8)
+ break;
}
- while (byte & 0x80);
if (length_return != NULL)
*length_return = num_read;
if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
- result |= -1L << shift;
+ result |= -((dwarf_vma) 1 << shift);
return result;
}
+/* Create a signed version to avoid painful typecasts. */
+static inline dwarf_signed_vma
+read_sleb128 (unsigned char * data,
+ unsigned int * length_return,
+ const unsigned char * const end)
+{
+ return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end);
+}
+
+static inline dwarf_vma
+read_uleb128 (unsigned char * data,
+ unsigned int * length_return,
+ const unsigned char * const end)
+{
+ return read_leb128 (data, length_return, FALSE, end);
+}
+
+#define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return
+#define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return
+
+#define READ_ULEB(var) \
+ do \
+ { \
+ dwarf_vma _val; \
+ \
+ (var) = _val = read_uleb128 (start, &length_return, end); \
+ if ((var) != _val) \
+ error (_("Internal error: %s:%d: LEB value (%s) " \
+ "too large for containing variable\n"), \
+ __FILE__, __LINE__, dwarf_vmatoa ("u", _val)); \
+ start += length_return; \
+ } \
+ while (0)
+
+#define READ_SLEB(var) \
+ do \
+ { \
+ dwarf_signed_vma _val; \
+ \
+ (var) = _val = read_sleb128 (start, &length_return, end); \
+ if ((var) != _val) \
+ error (_("Internal error: %s:%d: LEB value (%s) " \
+ "too large for containing variable\n"), \
+ __FILE__, __LINE__, dwarf_vmatoa ("d", _val)); \
+ start += length_return; \
+ } \
+ while (0)
+
+/* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value.
+ Checks to make sure that the read will not reach or pass END
+ and that VAL is big enough to hold AMOUNT bytes. */
+#define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
+ do \
+ { \
+ unsigned int amount = (AMOUNT); \
+ if (sizeof (VAL) < amount) \
+ { \
+ error (ngettext ("internal error: attempt to read %d byte " \
+ "of data in to %d sized variable", \
+ "internal error: attempt to read %d bytes " \
+ "of data in to %d sized variable", \
+ amount), \
+ amount, (int) sizeof (VAL)); \
+ amount = sizeof (VAL); \
+ } \
+ if (((PTR) + amount) >= (END)) \
+ { \
+ if ((PTR) < (END)) \
+ amount = (END) - (PTR); \
+ else \
+ amount = 0; \
+ } \
+ if (amount == 0 || amount > 8) \
+ VAL = 0; \
+ else \
+ VAL = byte_get ((PTR), amount); \
+ } \
+ while (0)
+
+/* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */
+#define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
+ do \
+ { \
+ SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \
+ PTR += AMOUNT; \
+ } \
+ while (0)
+
+/* Like SAFE_BYTE_GET, but reads a signed value. */
+#define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
+ do \
+ { \
+ unsigned int amount = (AMOUNT); \
+ if (((PTR) + amount) >= (END)) \
+ { \
+ if ((PTR) < (END)) \
+ amount = (END) - (PTR); \
+ else \
+ amount = 0; \
+ } \
+ if (amount) \
+ VAL = byte_get_signed ((PTR), amount); \
+ else \
+ VAL = 0; \
+ } \
+ while (0)
+
+/* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */
+#define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
+ do \
+ { \
+ SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \
+ PTR += AMOUNT; \
+ } \
+ while (0)
+
+#define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \
+ do \
+ { \
+ if (((PTR) + 8) <= (END)) \
+ { \
+ byte_get_64 ((PTR), (HIGH), (LOW)); \
+ } \
+ else \
+ { \
+ * (LOW) = * (HIGH) = 0; \
+ } \
+ } \
+ while (0)
+
typedef struct State_Machine_Registers
{
- unsigned long address;
+ dwarf_vma address;
+ unsigned int view;
unsigned int file;
unsigned int line;
unsigned int column;
int basic_block;
unsigned char op_index;
unsigned char end_sequence;
-/* This variable hold the number of the last entry seen
- in the File Table. */
+ /* This variable hold the number of the last entry seen
+ in the File Table. */
unsigned int last_file_entry;
} SMR;
reset_state_machine (int is_stmt)
{
state_machine_regs.address = 0;
+ state_machine_regs.view = 0;
state_machine_regs.op_index = 0;
state_machine_regs.file = 1;
state_machine_regs.line = 1;
Returns the number of bytes read. */
static int
-process_extended_line_op (unsigned char *data, int is_stmt)
+process_extended_line_op (unsigned char * data,
+ int is_stmt,
+ unsigned char * end)
{
unsigned char op_code;
unsigned int bytes_read;
unsigned int len;
unsigned char *name;
- unsigned long adr;
+ unsigned char *orig_data = data;
+ dwarf_vma adr;
- len = read_leb128 (data, & bytes_read, 0);
+ len = read_uleb128 (data, & bytes_read, end);
data += bytes_read;
- if (len == 0)
+ if (len == 0 || data == end || len > (uintptr_t) (end - data))
{
- warn (_("badly formed extended line op encountered!\n"));
+ warn (_("Badly formed extended line op encountered!\n"));
return bytes_read;
}
break;
case DW_LNE_set_address:
- adr = byte_get (data, len - bytes_read - 1);
- printf (_("set Address to 0x%lx\n"), adr);
+ /* PR 17512: file: 002-100480-0.004. */
+ if (len - bytes_read - 1 > 8)
+ {
+ warn (_("Length (%d) of DW_LNE_set_address op is too long\n"),
+ len - bytes_read - 1);
+ adr = 0;
+ }
+ else
+ SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end);
+ printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
state_machine_regs.address = adr;
+ state_machine_regs.view = 0;
state_machine_regs.op_index = 0;
break;
case DW_LNE_define_file:
- printf (_(" define new File Table entry\n"));
+ printf (_("define new File Table entry\n"));
printf (_(" Entry\tDir\tTime\tSize\tName\n"));
+ printf (" %d\t", ++state_machine_regs.last_file_entry);
- printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
- name = data;
- data += strlen ((char *) data) + 1;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- printf (_("%s\n\n"), name);
+ {
+ size_t l;
+
+ name = data;
+ l = strnlen ((char *) data, end - data);
+ data += len + 1;
+ printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%.*s\n\n", (int) l, name);
+ }
+
+ if (((unsigned int) (data - orig_data) != len) || data == end)
+ warn (_("DW_LNE_define_file: Bad opcode length\n"));
break;
case DW_LNE_set_discriminator:
- printf (_("set Discriminator to %lu\n"),
- read_leb128 (data, & bytes_read, 0));
+ printf (_("set Discriminator to %s\n"),
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
break;
/* HP extensions. */
case DW_LNE_HP_define_proc:
printf ("DW_LNE_HP_define_proc\n");
break;
+ case DW_LNE_HP_source_file_correlation:
+ {
+ unsigned char *edata = data + len - bytes_read - 1;
+
+ printf ("DW_LNE_HP_source_file_correlation\n");
+
+ while (data < edata)
+ {
+ unsigned int opc;
+
+ opc = read_uleb128 (data, & bytes_read, edata);
+ data += bytes_read;
+
+ switch (opc)
+ {
+ case DW_LNE_HP_SFC_formfeed:
+ printf (" DW_LNE_HP_SFC_formfeed\n");
+ break;
+ case DW_LNE_HP_SFC_set_listing_line:
+ printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
+ dwarf_vmatoa ("u",
+ read_uleb128 (data, & bytes_read, edata)));
+ data += bytes_read;
+ break;
+ case DW_LNE_HP_SFC_associate:
+ printf (" DW_LNE_HP_SFC_associate ");
+ printf ("(%s",
+ dwarf_vmatoa ("u",
+ read_uleb128 (data, & bytes_read, edata)));
+ data += bytes_read;
+ printf (",%s",
+ dwarf_vmatoa ("u",
+ read_uleb128 (data, & bytes_read, edata)));
+ data += bytes_read;
+ printf (",%s)\n",
+ dwarf_vmatoa ("u",
+ read_uleb128 (data, & bytes_read, edata)));
+ data += bytes_read;
+ break;
+ default:
+ printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
+ data = edata;
+ break;
+ }
+ }
+ }
+ break;
default:
- if (op_code >= DW_LNE_lo_user
- /* The test against DW_LNW_hi_user is redundant due to
- the limited range of the unsigned char data type used
- for op_code. */
- /*&& op_code <= DW_LNE_hi_user*/)
- printf (_("user defined: length %d\n"), len - bytes_read);
- else
- printf (_("UNKNOWN: length %d\n"), len - bytes_read);
+ {
+ unsigned int rlen = len - bytes_read - 1;
+
+ if (op_code >= DW_LNE_lo_user
+ /* The test against DW_LNW_hi_user is redundant due to
+ the limited range of the unsigned char data type used
+ for op_code. */
+ /*&& op_code <= DW_LNE_hi_user*/)
+ printf (_("user defined: "));
+ else
+ printf (_("UNKNOWN: "));
+ printf (_("length %d ["), rlen);
+ for (; rlen; rlen--)
+ printf (" %02x", *data++);
+ printf ("]\n");
+ }
break;
}
return len;
}
-static const char *
-fetch_indirect_string (unsigned long offset)
+static const unsigned char *
+fetch_indirect_string (dwarf_vma offset)
{
struct dwarf_section *section = &debug_displays [str].section;
+ const unsigned char * ret;
+
+ if (section->start == NULL)
+ return (const unsigned char *) _("<no .debug_str section>");
+
+ if (offset >= section->size)
+ {
+ warn (_("DW_FORM_strp offset too big: %s\n"),
+ dwarf_vmatoa ("x", offset));
+ return (const unsigned char *) _("<offset is too big>");
+ }
+
+ ret = section->start + offset;
+ /* Unfortunately we cannot rely upon the .debug_str section ending with a
+ NUL byte. Since our caller is expecting to receive a well formed C
+ string we test for the lack of a terminating byte here. */
+ if (strnlen ((const char *) ret, section->size - offset)
+ == section->size - offset)
+ ret = (const unsigned char *)
+ _("<no NUL byte at end of .debug_str section>");
+
+ return ret;
+}
+
+static const unsigned char *
+fetch_indirect_line_string (dwarf_vma offset)
+{
+ struct dwarf_section *section = &debug_displays [line_str].section;
+ const unsigned char * ret;
+
+ if (section->start == NULL)
+ return (const unsigned char *) _("<no .debug_line_str section>");
+
+ if (offset >= section->size)
+ {
+ warn (_("DW_FORM_line_strp offset too big: %s\n"),
+ dwarf_vmatoa ("x", offset));
+ return (const unsigned char *) _("<offset is too big>");
+ }
+
+ ret = section->start + offset;
+ /* Unfortunately we cannot rely upon the .debug_line_str section ending
+ with a NUL byte. Since our caller is expecting to receive a well formed
+ C string we test for the lack of a terminating byte here. */
+ if (strnlen ((const char *) ret, section->size - offset)
+ == section->size - offset)
+ ret = (const unsigned char *)
+ _("<no NUL byte at end of .debug_line_str section>");
+
+ return ret;
+}
+
+static const char *
+fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
+ dwarf_vma offset_size, bfd_boolean dwo)
+{
+ enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
+ enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
+ struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
+ struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
+ dwarf_vma index_offset = idx * offset_size;
+ dwarf_vma str_offset;
+ const char * ret;
+
+ if (index_section->start == NULL)
+ return (dwo ? _("<no .debug_str_offsets.dwo section>")
+ : _("<no .debug_str_offsets section>"));
+
+ if (this_set != NULL)
+ index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
+ if (index_offset >= index_section->size)
+ {
+ warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
+ dwarf_vmatoa ("x", index_offset));
+ return _("<index offset is too big>");
+ }
+
+ if (str_section->start == NULL)
+ return (dwo ? _("<no .debug_str.dwo section>")
+ : _("<no .debug_str section>"));
+
+ str_offset = byte_get (index_section->start + index_offset, offset_size);
+ str_offset -= str_section->address;
+ if (str_offset >= str_section->size)
+ {
+ warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
+ dwarf_vmatoa ("x", str_offset));
+ return _("<indirect index offset is too big>");
+ }
+
+ ret = (const char *) str_section->start + str_offset;
+ /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
+ Since our caller is expecting to receive a well formed C string we test
+ for the lack of a terminating byte here. */
+ if (strnlen (ret, str_section->size - str_offset)
+ == str_section->size - str_offset)
+ ret = (const char *) _("<no NUL byte at end of section>");
+
+ return ret;
+}
+
+static const char *
+fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
+{
+ struct dwarf_section *section = &debug_displays [debug_addr].section;
if (section->start == NULL)
- return _("<no .debug_str section>");
+ return (_("<no .debug_addr section>"));
- /* DWARF sections under Mach-O have non-zero addresses. */
- offset -= section->address;
- if (offset > section->size)
+ if (offset + bytes > section->size)
{
- warn (_("DW_FORM_strp offset too big: %lx\n"), offset);
- return _("<offset is too big>");
+ warn (_("Offset into section %s too big: %s\n"),
+ section->name, dwarf_vmatoa ("x", offset));
+ return "<offset too big>";
}
- return (const char *) section->start + offset;
+ return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
}
+
/* FIXME: There are better and more efficient ways to handle
these structures. For now though, I just want something that
is simple to implement. */
{
unsigned long attribute;
unsigned long form;
+ bfd_signed_vma implicit_const;
struct abbrev_attr *next;
}
abbrev_attr;
abbrev_entry *entry;
entry = (abbrev_entry *) malloc (sizeof (*entry));
-
if (entry == NULL)
/* ugg */
return;
}
static void
-add_abbrev_attr (unsigned long attribute, unsigned long form)
+add_abbrev_attr (unsigned long attribute, unsigned long form,
+ bfd_signed_vma implicit_const)
{
abbrev_attr *attr;
attr = (abbrev_attr *) malloc (sizeof (*attr));
-
if (attr == NULL)
/* ugg */
return;
attr->attribute = attribute;
attr->form = form;
+ attr->implicit_const = implicit_const;
attr->next = NULL;
if (last_abbrev->first_attr == NULL)
unsigned long attribute;
int children;
- entry = read_leb128 (start, & bytes_read, 0);
+ entry = read_uleb128 (start, & bytes_read, end);
start += bytes_read;
/* A single zero is supposed to end the section according
to the standard. If there's more, then signal that to
the caller. */
+ if (start == end)
+ return NULL;
if (entry == 0)
- return start == end ? NULL : start;
+ return start;
- tag = read_leb128 (start, & bytes_read, 0);
+ tag = read_uleb128 (start, & bytes_read, end);
start += bytes_read;
+ if (start == end)
+ return NULL;
children = *start++;
do
{
unsigned long form;
+ /* Initialize it due to a false compiler warning. */
+ bfd_signed_vma implicit_const = -1;
- attribute = read_leb128 (start, & bytes_read, 0);
+ attribute = read_uleb128 (start, & bytes_read, end);
start += bytes_read;
+ if (start == end)
+ break;
- form = read_leb128 (start, & bytes_read, 0);
+ form = read_uleb128 (start, & bytes_read, end);
start += bytes_read;
+ if (start == end)
+ break;
+
+ if (form == DW_FORM_implicit_const)
+ {
+ implicit_const = read_sleb128 (start, & bytes_read, end);
+ start += bytes_read;
+ if (start == end)
+ break;
+ }
- if (attribute != 0)
- add_abbrev_attr (attribute, form);
+ add_abbrev_attr (attribute, form, implicit_const);
}
while (attribute != 0);
}
+ /* Report the missing single zero which ends the section. */
+ error (_(".debug_abbrev section not zero terminated\n"));
+
return NULL;
}
-static char *
+static const char *
get_TAG_name (unsigned long tag)
{
- switch (tag)
- {
- case DW_TAG_padding: return "DW_TAG_padding";
- case DW_TAG_array_type: return "DW_TAG_array_type";
- case DW_TAG_class_type: return "DW_TAG_class_type";
- case DW_TAG_entry_point: return "DW_TAG_entry_point";
- case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type";
- case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter";
- case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration";
- case DW_TAG_label: return "DW_TAG_label";
- case DW_TAG_lexical_block: return "DW_TAG_lexical_block";
- case DW_TAG_member: return "DW_TAG_member";
- case DW_TAG_pointer_type: return "DW_TAG_pointer_type";
- case DW_TAG_reference_type: return "DW_TAG_reference_type";
- case DW_TAG_compile_unit: return "DW_TAG_compile_unit";
- case DW_TAG_string_type: return "DW_TAG_string_type";
- case DW_TAG_structure_type: return "DW_TAG_structure_type";
- case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type";
- case DW_TAG_typedef: return "DW_TAG_typedef";
- case DW_TAG_union_type: return "DW_TAG_union_type";
- case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters";
- case DW_TAG_variant: return "DW_TAG_variant";
- case DW_TAG_common_block: return "DW_TAG_common_block";
- case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion";
- case DW_TAG_inheritance: return "DW_TAG_inheritance";
- case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine";
- case DW_TAG_module: return "DW_TAG_module";
- case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type";
- case DW_TAG_set_type: return "DW_TAG_set_type";
- case DW_TAG_subrange_type: return "DW_TAG_subrange_type";
- case DW_TAG_with_stmt: return "DW_TAG_with_stmt";
- case DW_TAG_access_declaration: return "DW_TAG_access_declaration";
- case DW_TAG_base_type: return "DW_TAG_base_type";
- case DW_TAG_catch_block: return "DW_TAG_catch_block";
- case DW_TAG_const_type: return "DW_TAG_const_type";
- case DW_TAG_constant: return "DW_TAG_constant";
- case DW_TAG_enumerator: return "DW_TAG_enumerator";
- case DW_TAG_file_type: return "DW_TAG_file_type";
- case DW_TAG_friend: return "DW_TAG_friend";
- case DW_TAG_namelist: return "DW_TAG_namelist";
- case DW_TAG_namelist_item: return "DW_TAG_namelist_item";
- case DW_TAG_packed_type: return "DW_TAG_packed_type";
- case DW_TAG_subprogram: return "DW_TAG_subprogram";
- case DW_TAG_template_type_param: return "DW_TAG_template_type_param";
- case DW_TAG_template_value_param: return "DW_TAG_template_value_param";
- case DW_TAG_thrown_type: return "DW_TAG_thrown_type";
- case DW_TAG_try_block: return "DW_TAG_try_block";
- case DW_TAG_variant_part: return "DW_TAG_variant_part";
- case DW_TAG_variable: return "DW_TAG_variable";
- case DW_TAG_volatile_type: return "DW_TAG_volatile_type";
- case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop";
- case DW_TAG_format_label: return "DW_TAG_format_label";
- case DW_TAG_function_template: return "DW_TAG_function_template";
- case DW_TAG_class_template: return "DW_TAG_class_template";
- /* DWARF 2.1 values. */
- case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure";
- case DW_TAG_restrict_type: return "DW_TAG_restrict_type";
- case DW_TAG_interface_type: return "DW_TAG_interface_type";
- case DW_TAG_namespace: return "DW_TAG_namespace";
- case DW_TAG_imported_module: return "DW_TAG_imported_module";
- case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type";
- case DW_TAG_partial_unit: return "DW_TAG_partial_unit";
- case DW_TAG_imported_unit: return "DW_TAG_imported_unit";
- case DW_TAG_condition: return "DW_TAG_condition";
- case DW_TAG_shared_type: return "DW_TAG_shared_type";
- /* DWARF 4 values. */
- case DW_TAG_type_unit: return "DW_TAG_type_unit";
- case DW_TAG_rvalue_reference_type: return "DW_TAG_rvalue_reference_type";
- case DW_TAG_template_alias: return "DW_TAG_template_alias";
- /* UPC values. */
- case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type";
- case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type";
- case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type";
- default:
- {
- static char buffer[100];
+ const char *name = get_DW_TAG_name ((unsigned int) tag);
- snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag);
- return buffer;
- }
+ if (name == NULL)
+ {
+ static char buffer[100];
+
+ if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user)
+ snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag);
+ else
+ snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag);
+ return buffer;
}
+
+ return name;
}
-static char *
+static const char *
get_FORM_name (unsigned long form)
{
- switch (form)
+ const char *name;
+
+ if (form == 0)
+ return "DW_FORM value: 0";
+
+ name = get_DW_FORM_name (form);
+ if (name == NULL)
{
- case DW_FORM_addr: return "DW_FORM_addr";
- case DW_FORM_block2: return "DW_FORM_block2";
- case DW_FORM_block4: return "DW_FORM_block4";
- case DW_FORM_data2: return "DW_FORM_data2";
- case DW_FORM_data4: return "DW_FORM_data4";
- case DW_FORM_data8: return "DW_FORM_data8";
- case DW_FORM_string: return "DW_FORM_string";
- case DW_FORM_block: return "DW_FORM_block";
- case DW_FORM_block1: return "DW_FORM_block1";
- case DW_FORM_data1: return "DW_FORM_data1";
- case DW_FORM_flag: return "DW_FORM_flag";
- case DW_FORM_sdata: return "DW_FORM_sdata";
- case DW_FORM_strp: return "DW_FORM_strp";
- case DW_FORM_udata: return "DW_FORM_udata";
- case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
- case DW_FORM_ref1: return "DW_FORM_ref1";
- case DW_FORM_ref2: return "DW_FORM_ref2";
- case DW_FORM_ref4: return "DW_FORM_ref4";
- case DW_FORM_ref8: return "DW_FORM_ref8";
- case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
- case DW_FORM_indirect: return "DW_FORM_indirect";
- /* DWARF 4 values. */
- case DW_FORM_sec_offset: return "DW_FORM_sec_offset";
- case DW_FORM_exprloc: return "DW_FORM_exprloc";
- case DW_FORM_flag_present: return "DW_FORM_flag_present";
- case DW_FORM_ref_sig8: return "DW_FORM_ref_sig8";
- default:
- {
- static char buffer[100];
+ static char buffer[100];
- snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
- return buffer;
- }
+ snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
+ return buffer;
+ }
+
+ return name;
+}
+
+static const char *
+get_IDX_name (unsigned long idx)
+{
+ const char *name = get_DW_IDX_name ((unsigned int) idx);
+
+ if (name == NULL)
+ {
+ static char buffer[100];
+
+ snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
+ return buffer;
}
+
+ return name;
}
static unsigned char *
-display_block (unsigned char *data, unsigned long length)
+display_block (unsigned char *data,
+ dwarf_vma length,
+ const unsigned char * const end, char delimiter)
{
- printf (_(" %lu byte block: "), length);
+ dwarf_vma maxlen;
+
+ printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
+ if (data > end)
+ return (unsigned char *) end;
+
+ maxlen = (dwarf_vma) (end - data);
+ length = length > maxlen ? maxlen : length;
while (length --)
printf ("%lx ", (unsigned long) byte_get (data++, 1));
unsigned int pointer_size,
unsigned int offset_size,
int dwarf_version,
- unsigned long length,
- unsigned long cu_offset,
+ dwarf_vma length,
+ dwarf_vma cu_offset,
struct dwarf_section * section)
{
unsigned op;
unsigned int bytes_read;
- unsigned long uvalue;
+ dwarf_vma uvalue;
+ dwarf_signed_vma svalue;
unsigned char *end = data + length;
int need_frame_base = 0;
switch (op)
{
case DW_OP_addr:
- printf ("DW_OP_addr: %lx",
- (unsigned long) byte_get (data, pointer_size));
- data += pointer_size;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
+ printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
break;
case DW_OP_deref:
printf ("DW_OP_deref");
break;
case DW_OP_const1u:
- printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
+ printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
break;
case DW_OP_const1s:
- printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1));
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
+ printf ("DW_OP_const1s: %ld", (long) svalue);
break;
case DW_OP_const2u:
- printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
- data += 2;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
+ printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
break;
case DW_OP_const2s:
- printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2));
- data += 2;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
+ printf ("DW_OP_const2s: %ld", (long) svalue);
break;
case DW_OP_const4u:
- printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
- data += 4;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
+ printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
break;
case DW_OP_const4s:
- printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4));
- data += 4;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
+ printf ("DW_OP_const4s: %ld", (long) svalue);
break;
case DW_OP_const8u:
- printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
- (unsigned long) byte_get (data + 4, 4));
- data += 8;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
+ printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
+ printf ("%lu", (unsigned long) uvalue);
break;
case DW_OP_const8s:
- printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
- (long) byte_get (data + 4, 4));
- data += 8;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
+ printf ("DW_OP_const8s: %ld ", (long) svalue);
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
+ printf ("%ld", (long) svalue);
break;
case DW_OP_constu:
- printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
+ printf ("DW_OP_constu: %s",
+ dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_consts:
- printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_consts: %s",
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_dup:
printf ("DW_OP_over");
break;
case DW_OP_pick:
- printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
+ printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
break;
case DW_OP_swap:
printf ("DW_OP_swap");
printf ("DW_OP_plus");
break;
case DW_OP_plus_uconst:
- printf ("DW_OP_plus_uconst: %lu",
- read_leb128 (data, &bytes_read, 0));
+ printf ("DW_OP_plus_uconst: %s",
+ dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_shl:
printf ("DW_OP_xor");
break;
case DW_OP_bra:
- printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2));
- data += 2;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
+ printf ("DW_OP_bra: %ld", (long) svalue);
break;
case DW_OP_eq:
printf ("DW_OP_eq");
printf ("DW_OP_ne");
break;
case DW_OP_skip:
- printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2));
- data += 2;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
+ printf ("DW_OP_skip: %ld", (long) svalue);
break;
case DW_OP_lit0:
case DW_OP_breg29:
case DW_OP_breg30:
case DW_OP_breg31:
- printf ("DW_OP_breg%d (%s): %ld", op - DW_OP_breg0,
+ printf ("DW_OP_breg%d (%s): %s",
+ op - DW_OP_breg0,
regname (op - DW_OP_breg0, 1),
- read_leb128 (data, &bytes_read, 1));
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_regx:
- uvalue = read_leb128 (data, &bytes_read, 0);
+ uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_regx: %lu (%s)", uvalue, regname (uvalue, 1));
+ printf ("DW_OP_regx: %s (%s)",
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
break;
case DW_OP_fbreg:
need_frame_base = 1;
- printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_fbreg: %s",
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_bregx:
- uvalue = read_leb128 (data, &bytes_read, 0);
+ uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- printf ("DW_OP_bregx: %lu (%s) %ld", uvalue, regname (uvalue, 1),
- read_leb128 (data, &bytes_read, 1));
+ printf ("DW_OP_bregx: %s (%s) %s",
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
+ dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_piece:
- printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
+ printf ("DW_OP_piece: %s",
+ dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_deref_size:
- printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
+ printf ("DW_OP_deref_size: %ld", (long) uvalue);
break;
case DW_OP_xderef_size:
- printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
+ printf ("DW_OP_xderef_size: %ld", (long) uvalue);
break;
case DW_OP_nop:
printf ("DW_OP_nop");
printf ("DW_OP_push_object_address");
break;
case DW_OP_call2:
- /* XXX: Strictly speaking for 64-bit DWARF3 files
+ /* FIXME: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call2: <0x%lx>", (long) byte_get (data, 2) + cu_offset);
- data += 2;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
+ printf ("DW_OP_call2: <0x%s>",
+ dwarf_vmatoa ("x", svalue + cu_offset));
break;
case DW_OP_call4:
- /* XXX: Strictly speaking for 64-bit DWARF3 files
+ /* FIXME: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
- printf ("DW_OP_call4: <0x%lx>", (long) byte_get (data, 4) + cu_offset);
- data += 4;
+ SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
+ printf ("DW_OP_call4: <0x%s>",
+ dwarf_vmatoa ("x", svalue + cu_offset));
break;
case DW_OP_call_ref:
- /* XXX: Strictly speaking for 64-bit DWARF3 files
+ /* FIXME: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
if (dwarf_version == -1)
{
}
if (dwarf_version == 2)
{
- printf ("DW_OP_call_ref: <0x%lx>",
- (long) byte_get (data, pointer_size));
- data += pointer_size;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
}
else
{
- printf ("DW_OP_call_ref: <0x%lx>",
- (long) byte_get (data, offset_size));
- data += offset_size;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
}
+ printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
break;
case DW_OP_form_tls_address:
printf ("DW_OP_form_tls_address");
break;
case DW_OP_bit_piece:
printf ("DW_OP_bit_piece: ");
- printf ("size: %lu ", read_leb128 (data, &bytes_read, 0));
+ printf (_("size: %s "),
+ dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
data += bytes_read;
- printf ("offset: %lu ", read_leb128 (data, &bytes_read, 0));
+ printf (_("offset: %s "),
+ dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
data += bytes_read;
break;
case DW_OP_implicit_value:
printf ("DW_OP_implicit_value");
- uvalue = read_leb128 (data, &bytes_read, 0);
+ uvalue = read_uleb128 (data, &bytes_read, end);
data += bytes_read;
- display_block (data, uvalue);
- data += uvalue;
+ data = display_block (data, uvalue, end, ' ');
break;
/* GNU extensions. */
case DW_OP_GNU_push_tls_address:
- printf ("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown");
+ printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
break;
case DW_OP_GNU_uninit:
printf ("DW_OP_GNU_uninit");
break;
case DW_OP_GNU_encoded_addr:
{
- int encoding;
+ int encoding = 0;
dwarf_vma addr;
-
- encoding = *data++;
- addr = get_encoded_value (data, encoding);
- if ((encoding & 0x70) == DW_EH_PE_pcrel)
- addr += section->address + (data - section->start);
- data += size_of_encoded_value (encoding);
+
+ if (data < end)
+ encoding = *data++;
+ addr = get_encoded_value (&data, encoding, section, end);
printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
print_dwarf_vma (addr, pointer_size);
}
break;
+ case DW_OP_implicit_pointer:
case DW_OP_GNU_implicit_pointer:
- /* XXX: Strictly speaking for 64-bit DWARF3 files
+ /* FIXME: Strictly speaking for 64-bit DWARF3 files
+ this ought to be an 8-byte wide computation. */
+ if (dwarf_version == -1)
+ {
+ printf (_("(%s in frame info)"),
+ (op == DW_OP_implicit_pointer
+ ? "DW_OP_implicit_pointer"
+ : "DW_OP_GNU_implicit_pointer"));
+ /* No way to tell where the next op is, so just bail. */
+ return need_frame_base;
+ }
+ if (dwarf_version == 2)
+ {
+ SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
+ }
+ else
+ {
+ SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
+ }
+ printf ("%s: <0x%s> %s",
+ (op == DW_OP_implicit_pointer
+ ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
+ dwarf_vmatoa ("x", uvalue),
+ dwarf_vmatoa ("d", read_sleb128 (data,
+ &bytes_read, end)));
+ data += bytes_read;
+ break;
+ case DW_OP_entry_value:
+ case DW_OP_GNU_entry_value:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ /* PR 17531: file: 0cc9cd00. */
+ if (uvalue > (dwarf_vma) (end - data))
+ uvalue = end - data;
+ printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
+ : "DW_OP_GNU_entry_value"));
+ if (decode_location_expression (data, pointer_size, offset_size,
+ dwarf_version, uvalue,
+ cu_offset, section))
+ need_frame_base = 1;
+ putchar (')');
+ data += uvalue;
+ if (data > end)
+ data = end;
+ break;
+ case DW_OP_const_type:
+ case DW_OP_GNU_const_type:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf ("%s: <0x%s> ",
+ (op == DW_OP_const_type ? "DW_OP_const_type"
+ : "DW_OP_GNU_const_type"),
+ dwarf_vmatoa ("x", cu_offset + uvalue));
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
+ data = display_block (data, uvalue, end, ' ');
+ break;
+ case DW_OP_regval_type:
+ case DW_OP_GNU_regval_type:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf ("%s: %s (%s)",
+ (op == DW_OP_regval_type ? "DW_OP_regval_type"
+ : "DW_OP_GNU_regval_type"),
+ dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_deref_type:
+ case DW_OP_GNU_deref_type:
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
+ printf ("%s: %ld",
+ (op == DW_OP_deref_type ? "DW_OP_deref_type"
+ : "DW_OP_GNU_deref_type"),
+ (long) uvalue);
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_convert:
+ case DW_OP_GNU_convert:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf ("%s <0x%s>",
+ (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
+ dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
+ break;
+ case DW_OP_reinterpret:
+ case DW_OP_GNU_reinterpret:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf ("%s <0x%s>",
+ (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
+ : "DW_OP_GNU_reinterpret"),
+ dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
+ break;
+ case DW_OP_GNU_parameter_ref:
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
+ printf ("DW_OP_GNU_parameter_ref: <0x%s>",
+ dwarf_vmatoa ("x", cu_offset + uvalue));
+ break;
+ case DW_OP_GNU_addr_index:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
+ break;
+ case DW_OP_GNU_const_index:
+ uvalue = read_uleb128 (data, &bytes_read, end);
+ data += bytes_read;
+ printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
+ break;
+ case DW_OP_GNU_variable_value:
+ /* FIXME: Strictly speaking for 64-bit DWARF3 files
this ought to be an 8-byte wide computation. */
if (dwarf_version == -1)
{
- printf (_("(DW_OP_GNU_implicit_pointer in frame info)"));
+ printf (_("(DW_OP_GNU_variable_value in frame info)"));
/* No way to tell where the next op is, so just bail. */
return need_frame_base;
}
if (dwarf_version == 2)
{
- printf ("DW_OP_GNU_implicit_pointer: <0x%lx> %ld",
- (long) byte_get (data, pointer_size),
- read_leb128 (data + pointer_size, &bytes_read, 1));
- data += pointer_size + bytes_read;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
}
else
{
- printf ("DW_OP_GNU_implicit_pointer: <0x%lx> %ld",
- (long) byte_get (data, offset_size),
- read_leb128 (data + offset_size, &bytes_read, 1));
- data += offset_size;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
}
+ printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue));
break;
/* HP extensions. */
default:
if (op >= DW_OP_lo_user
&& op <= DW_OP_hi_user)
- printf (_("(User defined location op)"));
+ printf (_("(User defined location op 0x%x)"), op);
else
- printf (_("(Unknown location op)"));
+ printf (_("(Unknown location op 0x%x)"), op);
/* No way to tell where the next op is, so just bail. */
return need_frame_base;
}
return need_frame_base;
}
-static unsigned char *
-read_and_display_attr_value (unsigned long attribute,
- unsigned long form,
- unsigned char * data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version,
- debug_info * debug_info_p,
- int do_loc,
- struct dwarf_section * section)
-{
- unsigned long uvalue = 0;
- unsigned char *block_start = NULL;
- unsigned char * orig_data = data;
- unsigned int bytes_read;
+/* Find the CU or TU set corresponding to the given CU_OFFSET.
+ This is used for DWARF package files. */
- switch (form)
+static struct cu_tu_set *
+find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
+{
+ struct cu_tu_set *p;
+ unsigned int nsets;
+ unsigned int dw_sect;
+
+ if (do_types)
{
- default:
- break;
+ p = tu_sets;
+ nsets = tu_count;
+ dw_sect = DW_SECT_TYPES;
+ }
+ else
+ {
+ p = cu_sets;
+ nsets = cu_count;
+ dw_sect = DW_SECT_INFO;
+ }
+ while (nsets > 0)
+ {
+ if (p->section_offsets [dw_sect] == cu_offset)
+ return p;
+ p++;
+ nsets--;
+ }
+ return NULL;
+}
- case DW_FORM_ref_addr:
- if (dwarf_version == 2)
- {
- uvalue = byte_get (data, pointer_size);
- data += pointer_size;
- }
- else if (dwarf_version == 3 || dwarf_version == 4)
- {
- uvalue = byte_get (data, offset_size);
- data += offset_size;
- }
+/* Add INC to HIGH_BITS:LOW_BITS. */
+static void
+add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc)
+{
+ dwarf_vma tmp = * low_bits;
+
+ tmp += inc;
+
+ /* FIXME: There is probably a better way of handling this:
+
+ We need to cope with dwarf_vma being a 32-bit or 64-bit
+ type. Plus regardless of its size LOW_BITS is meant to
+ only hold 32-bits, so if there is overflow or wrap around
+ we must propagate into HIGH_BITS. */
+ if (tmp < * low_bits)
+ {
+ ++ * high_bits;
+ }
+ else if (sizeof (tmp) > 8
+ && (tmp >> 31) > 1)
+ {
+ ++ * high_bits;
+ tmp &= 0xFFFFFFFF;
+ }
+
+ * low_bits = tmp;
+}
+
+static const char *
+fetch_alt_indirect_string (dwarf_vma offset)
+{
+ separate_info * i;
+
+ if (! do_follow_links)
+ return "";
+
+ if (first_separate_info == NULL)
+ return _("<no links available>");
+
+ for (i = first_separate_info; i != NULL; i = i->next)
+ {
+ struct dwarf_section * section;
+ const char * ret;
+
+ if (! load_debug_section (separate_debug_str, i->handle))
+ continue;
+
+ section = &debug_displays [separate_debug_str].section;
+
+ if (section->start == NULL)
+ continue;
+
+ if (offset >= section->size)
+ continue;
+
+ ret = (const char *) (section->start + offset);
+ /* Unfortunately we cannot rely upon the .debug_str section ending with a
+ NUL byte. Since our caller is expecting to receive a well formed C
+ string we test for the lack of a terminating byte here. */
+ if (strnlen ((const char *) ret, section->size - offset)
+ == section->size - offset)
+ return _("<no NUL byte at end of alt .debug_str section>");
+
+ return ret;
+ }
+
+ warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"),
+ dwarf_vmatoa ("x", offset));
+ return _("<offset is too big>");
+}
+
+static const char *
+get_AT_name (unsigned long attribute)
+{
+ const char *name;
+
+ if (attribute == 0)
+ return "DW_AT value: 0";
+
+ /* One value is shared by the MIPS and HP extensions: */
+ if (attribute == DW_AT_MIPS_fde)
+ return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
+
+ name = get_DW_AT_name (attribute);
+
+ if (name == NULL)
+ {
+ static char buffer[100];
+
+ snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
+ attribute);
+ return buffer;
+ }
+
+ return name;
+}
+
+static void
+add_dwo_info (const char * field, dwo_type type)
+{
+ dwo_info * dwinfo = xmalloc (sizeof * dwinfo);
+
+ dwinfo->type = type;
+ dwinfo->value = field;
+ dwinfo->next = first_dwo_info;
+ first_dwo_info = dwinfo;
+}
+
+static void
+add_dwo_name (const char * name)
+{
+ add_dwo_info (name, DWO_NAME);
+}
+
+static void
+add_dwo_dir (const char * dir)
+{
+ add_dwo_info (dir, DWO_DIR);
+}
+
+static void
+add_dwo_id (const char * id)
+{
+ add_dwo_info (id, DWO_ID);
+}
+
+static void
+free_dwo_info (void)
+{
+ dwo_info * dwinfo;
+ dwo_info * next;
+
+ for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next)
+ {
+ next = dwinfo->next;
+ free (dwinfo);
+ }
+ first_dwo_info = NULL;
+}
+
+static unsigned char *
+read_and_display_attr_value (unsigned long attribute,
+ unsigned long form,
+ dwarf_signed_vma implicit_const,
+ unsigned char * data,
+ unsigned char * end,
+ dwarf_vma cu_offset,
+ dwarf_vma pointer_size,
+ dwarf_vma offset_size,
+ int dwarf_version,
+ debug_info * debug_info_p,
+ int do_loc,
+ struct dwarf_section * section,
+ struct cu_tu_set * this_set,
+ char delimiter)
+{
+ dwarf_vma uvalue = 0;
+ unsigned char *block_start = NULL;
+ unsigned char * orig_data = data;
+ unsigned int bytes_read;
+
+ if (data > end || (data == end && form != DW_FORM_flag_present))
+ {
+ warn (_("Corrupt attribute\n"));
+ return data;
+ }
+
+ switch (form)
+ {
+ default:
+ break;
+
+ case DW_FORM_ref_addr:
+ if (dwarf_version == 2)
+ SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
+ else if (dwarf_version == 3 || dwarf_version == 4)
+ SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
else
- {
- error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
- }
+ error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
+
break;
case DW_FORM_addr:
- uvalue = byte_get (data, pointer_size);
- data += pointer_size;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
break;
case DW_FORM_strp:
+ case DW_FORM_line_strp:
case DW_FORM_sec_offset:
- uvalue = byte_get (data, offset_size);
- data += offset_size;
+ case DW_FORM_GNU_ref_alt:
+ case DW_FORM_GNU_strp_alt:
+ SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
break;
case DW_FORM_flag_present:
case DW_FORM_ref1:
case DW_FORM_flag:
case DW_FORM_data1:
- uvalue = byte_get (data++, 1);
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
break;
case DW_FORM_ref2:
case DW_FORM_data2:
- uvalue = byte_get (data, 2);
- data += 2;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
break;
case DW_FORM_ref4:
case DW_FORM_data4:
- uvalue = byte_get (data, 4);
- data += 4;
+ SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
break;
case DW_FORM_sdata:
- uvalue = read_leb128 (data, & bytes_read, 1);
+ uvalue = read_sleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ break;
+
+ case DW_FORM_GNU_str_index:
+ uvalue = read_uleb128 (data, & bytes_read, end);
data += bytes_read;
break;
case DW_FORM_ref_udata:
case DW_FORM_udata:
- uvalue = read_leb128 (data, & bytes_read, 0);
+ uvalue = read_uleb128 (data, & bytes_read, end);
data += bytes_read;
break;
case DW_FORM_indirect:
- form = read_leb128 (data, & bytes_read, 0);
+ form = read_uleb128 (data, & bytes_read, end);
data += bytes_read;
if (!do_loc)
- printf (" %s", get_FORM_name (form));
- return read_and_display_attr_value (attribute, form, data,
- cu_offset, pointer_size,
+ printf ("%c%s", delimiter, get_FORM_name (form));
+ if (form == DW_FORM_implicit_const)
+ {
+ implicit_const = read_sleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ }
+ return read_and_display_attr_value (attribute, form, implicit_const, data,
+ end, cu_offset, pointer_size,
offset_size, dwarf_version,
debug_info_p, do_loc,
- section);
+ section, this_set, delimiter);
+ case DW_FORM_GNU_addr_index:
+ uvalue = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ break;
}
switch (form)
{
case DW_FORM_ref_addr:
if (!do_loc)
- printf (" <0x%lx>", uvalue);
+ printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
+ break;
+
+ case DW_FORM_GNU_ref_alt:
+ if (!do_loc)
+ printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
+ /* FIXME: Follow the reference... */
break;
case DW_FORM_ref1:
case DW_FORM_ref4:
case DW_FORM_ref_udata:
if (!do_loc)
- printf (" <0x%lx>", uvalue + cu_offset);
+ printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
break;
case DW_FORM_data4:
case DW_FORM_addr:
case DW_FORM_sec_offset:
if (!do_loc)
- printf (" 0x%lx", uvalue);
+ printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
break;
case DW_FORM_flag_present:
case DW_FORM_sdata:
case DW_FORM_udata:
if (!do_loc)
- printf (" %ld", uvalue);
+ printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
+ break;
+
+ case DW_FORM_implicit_const:
+ if (!do_loc)
+ printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
break;
case DW_FORM_ref8:
case DW_FORM_data8:
if (!do_loc)
{
- uvalue = byte_get (data, 4);
- printf (" 0x%lx", uvalue);
- printf (" 0x%lx", (unsigned long) byte_get (data + 4, 4));
+ dwarf_vma high_bits;
+ dwarf_vma utmp;
+ char buf[64];
+
+ SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
+ utmp = uvalue;
+ if (form == DW_FORM_ref8)
+ add64 (& high_bits, & utmp, cu_offset);
+ printf ("%c0x%s", delimiter,
+ dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
}
+
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0)
{
if (sizeof (uvalue) == 8)
- uvalue = byte_get (data, 8);
+ SAFE_BYTE_GET (uvalue, data, 8, end);
else
- error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n"));
+ error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
}
+
data += 8;
break;
+ case DW_FORM_data16:
+ if (!do_loc)
+ {
+ dwarf_vma left_high_bits, left_low_bits;
+ dwarf_vma right_high_bits, right_low_bits;
+
+ SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end);
+ SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end);
+ if (byte_get == byte_get_little_endian)
+ {
+ /* Swap them. */
+ left_high_bits ^= right_high_bits;
+ right_high_bits ^= left_high_bits;
+ left_high_bits ^= right_high_bits;
+ left_low_bits ^= right_low_bits;
+ right_low_bits ^= left_low_bits;
+ left_low_bits ^= right_low_bits;
+ }
+ printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x"
+ "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x",
+ left_high_bits, left_low_bits, right_high_bits,
+ right_low_bits);
+ }
+ data += 16;
+ break;
+
case DW_FORM_string:
if (!do_loc)
- printf (" %s", data);
- data += strlen ((char *) data) + 1;
+ printf ("%c%.*s", delimiter, (int) (end - data), data);
+ data += strnlen ((char *) data, end - data) + 1;
break;
case DW_FORM_block:
case DW_FORM_exprloc:
- uvalue = read_leb128 (data, & bytes_read, 0);
+ uvalue = read_uleb128 (data, & bytes_read, end);
block_start = data + bytes_read;
+ if (block_start >= end)
+ {
+ warn (_("Block ends prematurely\n"));
+ uvalue = 0;
+ block_start = end;
+ }
+ /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with
+ gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute
+ block_start + uvalue here. */
+ data = block_start + uvalue;
+ /* PR 17512: file: 008-103549-0.001:0.1. */
+ if (block_start + uvalue > end || data < block_start)
+ {
+ warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
+ uvalue = end - block_start;
+ }
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_block1:
- uvalue = byte_get (data, 1);
+ SAFE_BYTE_GET (uvalue, data, 1, end);
block_start = data + 1;
+ if (block_start >= end)
+ {
+ warn (_("Block ends prematurely\n"));
+ uvalue = 0;
+ block_start = end;
+ }
+ data = block_start + uvalue;
+ if (block_start + uvalue > end || data < block_start)
+ {
+ warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
+ uvalue = end - block_start;
+ }
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_block2:
- uvalue = byte_get (data, 2);
+ SAFE_BYTE_GET (uvalue, data, 2, end);
block_start = data + 2;
+ if (block_start >= end)
+ {
+ warn (_("Block ends prematurely\n"));
+ uvalue = 0;
+ block_start = end;
+ }
+ data = block_start + uvalue;
+ if (block_start + uvalue > end || data < block_start)
+ {
+ warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
+ uvalue = end - block_start;
+ }
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_block4:
- uvalue = byte_get (data, 4);
+ SAFE_BYTE_GET (uvalue, data, 4, end);
block_start = data + 4;
+ /* PR 17512: file: 3371-3907-0.004. */
+ if (block_start >= end)
+ {
+ warn (_("Block ends prematurely\n"));
+ uvalue = 0;
+ block_start = end;
+ }
+ data = block_start + uvalue;
+ if (block_start + uvalue > end
+ /* PR 17531: file: 5b5f0592. */
+ || data < block_start)
+ {
+ warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
+ uvalue = end - block_start;
+ }
if (do_loc)
data = block_start + uvalue;
else
- data = display_block (block_start, uvalue);
+ data = display_block (block_start, uvalue, end, delimiter);
break;
case DW_FORM_strp:
if (!do_loc)
- printf (_(" (indirect string, offset: 0x%lx): %s"),
- uvalue, fetch_indirect_string (uvalue));
+ printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indirect_string (uvalue));
+ break;
+
+ case DW_FORM_line_strp:
+ if (!do_loc)
+ printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indirect_line_string (uvalue));
+ break;
+
+ case DW_FORM_GNU_str_index:
+ if (!do_loc)
+ {
+ const char * suffix = strrchr (section->name, '.');
+ bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE;
+
+ printf (_("%c(indexed string: 0x%s): %s"), delimiter,
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indexed_string (uvalue, this_set, offset_size, dwo));
+ }
+ break;
+
+ case DW_FORM_GNU_strp_alt:
+ if (!do_loc)
+ {
+ printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter,
+ dwarf_vmatoa ("x", uvalue),
+ fetch_alt_indirect_string (uvalue));
+ }
break;
case DW_FORM_indirect:
case DW_FORM_ref_sig8:
if (!do_loc)
{
- int i;
- printf (" signature: ");
- for (i = 0; i < 8; i++)
- {
- printf ("%02x", (unsigned) byte_get (data, 1));
- data += 1;
- }
+ dwarf_vma high_bits;
+ char buf[64];
+
+ SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
+ printf ("%csignature: 0x%s", delimiter,
+ dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
}
- else
- data += 8;
+ data += 8;
+ break;
+
+ case DW_FORM_GNU_addr_index:
+ if (!do_loc)
+ printf (_("%c(addr_index: 0x%s): %s"), delimiter,
+ dwarf_vmatoa ("x", uvalue),
+ fetch_indexed_value (uvalue * pointer_size, pointer_size));
break;
default:
}
if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0)
+ && num_debug_info_entries == 0
+ && debug_info_p != NULL)
{
switch (attribute)
{
case DW_AT_frame_base:
have_frame_base = 1;
+ /* Fall through. */
case DW_AT_location:
+ case DW_AT_GNU_locviews:
case DW_AT_string_length:
case DW_AT_return_addr:
case DW_AT_data_member_location:
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
- if (form == DW_FORM_data4
- || form == DW_FORM_data8
+ case DW_AT_call_value:
+ case DW_AT_GNU_call_site_value:
+ case DW_AT_call_data_value:
+ case DW_AT_GNU_call_site_data_value:
+ case DW_AT_call_target:
+ case DW_AT_GNU_call_site_target:
+ case DW_AT_call_target_clobbered:
+ case DW_AT_GNU_call_site_target_clobbered:
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
|| form == DW_FORM_sec_offset)
{
/* Process location list. */
if (lmax == 0 || num >= lmax)
{
lmax += 1024;
- debug_info_p->loc_offsets = (long unsigned int *)
- xcrealloc (debug_info_p->loc_offsets,
- lmax, sizeof (*debug_info_p->loc_offsets));
+ debug_info_p->loc_offsets = (dwarf_vma *)
+ xcrealloc (debug_info_p->loc_offsets,
+ lmax, sizeof (*debug_info_p->loc_offsets));
+ debug_info_p->loc_views = (dwarf_vma *)
+ xcrealloc (debug_info_p->loc_views,
+ lmax, sizeof (*debug_info_p->loc_views));
debug_info_p->have_frame_base = (int *)
- xcrealloc (debug_info_p->have_frame_base,
- lmax, sizeof (*debug_info_p->have_frame_base));
+ xcrealloc (debug_info_p->have_frame_base,
+ lmax, sizeof (*debug_info_p->have_frame_base));
debug_info_p->max_loc_offsets = lmax;
}
- debug_info_p->loc_offsets [num] = uvalue;
+ if (this_set != NULL)
+ uvalue += this_set->section_offsets [DW_SECT_LOC];
debug_info_p->have_frame_base [num] = have_frame_base;
- debug_info_p->num_loc_offsets++;
+ if (attribute != DW_AT_GNU_locviews)
+ {
+ /* Corrupt DWARF info can produce more offsets than views.
+ See PR 23062 for an example. */
+ if (debug_info_p->num_loc_offsets
+ > debug_info_p->num_loc_views)
+ warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n"));
+ else
+ {
+ debug_info_p->loc_offsets [num] = uvalue;
+ debug_info_p->num_loc_offsets++;
+ }
+ }
+ else
+ {
+ assert (debug_info_p->num_loc_views <= num);
+ num = debug_info_p->num_loc_views;
+ if (num > debug_info_p->num_loc_offsets)
+ warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n"));
+ else
+ {
+ debug_info_p->loc_views [num] = uvalue;
+ debug_info_p->num_loc_views++;
+ }
+ }
}
break;
debug_info_p->base_address = uvalue;
break;
+ case DW_AT_GNU_addr_base:
+ debug_info_p->addr_base = uvalue;
+ break;
+
+ case DW_AT_GNU_ranges_base:
+ debug_info_p->ranges_base = uvalue;
+ break;
+
case DW_AT_ranges:
- if (form == DW_FORM_data4
- || form == DW_FORM_data8
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
|| form == DW_FORM_sec_offset)
{
/* Process range list. */
if (lmax == 0 || num >= lmax)
{
lmax += 1024;
- debug_info_p->range_lists = (long unsigned int *)
- xcrealloc (debug_info_p->range_lists,
- lmax, sizeof (*debug_info_p->range_lists));
+ debug_info_p->range_lists = (dwarf_vma *)
+ xcrealloc (debug_info_p->range_lists,
+ lmax, sizeof (*debug_info_p->range_lists));
debug_info_p->max_range_lists = lmax;
}
debug_info_p->range_lists [num] = uvalue;
}
break;
+ case DW_AT_GNU_dwo_name:
+ case DW_AT_dwo_name:
+ if (need_dwo_info)
+ switch (form)
+ {
+ case DW_FORM_strp:
+ add_dwo_name ((const char *) fetch_indirect_string (uvalue));
+ break;
+ case DW_FORM_GNU_str_index:
+ add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, FALSE));
+ break;
+ case DW_FORM_string:
+ add_dwo_name ((const char *) orig_data);
+ break;
+ default:
+ warn (_("Unsupported form (%s) for attribute %s\n"),
+ get_FORM_name (form), get_AT_name (attribute));
+ break;
+ }
+ break;
+
+ case DW_AT_comp_dir:
+ /* FIXME: Also extract a build-id in a CU/TU. */
+ if (need_dwo_info)
+ switch (form)
+ {
+ case DW_FORM_strp:
+ add_dwo_dir ((const char *) fetch_indirect_string (uvalue));
+ break;
+ case DW_FORM_line_strp:
+ add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue));
+ break;
+ case DW_FORM_GNU_str_index:
+ add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, FALSE));
+ break;
+ case DW_FORM_string:
+ add_dwo_dir ((const char *) orig_data);
+ break;
+ default:
+ warn (_("Unsupported form (%s) for attribute %s\n"),
+ get_FORM_name (form), get_AT_name (attribute));
+ break;
+ }
+ break;
+
+ case DW_AT_GNU_dwo_id:
+ if (need_dwo_info)
+ switch (form)
+ {
+ case DW_FORM_data8:
+ /* FIXME: Record the length of the ID as well ? */
+ add_dwo_id ((const char *) (data - 8));
+ break;
+ default:
+ warn (_("Unsupported form (%s) for attribute %s\n"),
+ get_FORM_name (form), get_AT_name (attribute));
+ break;
+ }
+ break;
+
default:
break;
}
}
- if (do_loc)
+ if (do_loc || attribute == 0)
return data;
/* For some attributes we can display further information. */
- printf ("\t");
-
switch (attribute)
{
case DW_AT_inline:
+ printf ("\t");
switch (uvalue)
{
case DW_INL_not_inlined:
printf (_("(declared as inline and inlined)"));
break;
default:
- printf (_(" (Unknown inline attribute value: %lx)"), uvalue);
+ printf (_(" (Unknown inline attribute value: %s)"),
+ dwarf_vmatoa ("x", uvalue));
break;
}
break;
case DW_AT_language:
+ printf ("\t");
switch (uvalue)
{
/* Ordered by the numeric value of these constants. */
case DW_LANG_D: printf ("(D)"); break;
/* DWARF 4 values. */
case DW_LANG_Python: printf ("(Python)"); break;
+ /* DWARF 5 values. */
+ case DW_LANG_OpenCL: printf ("(OpenCL)"); break;
+ case DW_LANG_Go: printf ("(Go)"); break;
+ case DW_LANG_Modula3: printf ("(Modula 3)"); break;
+ case DW_LANG_Haskell: printf ("(Haskell)"); break;
+ case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break;
+ case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break;
+ case DW_LANG_OCaml: printf ("(OCaml)"); break;
+ case DW_LANG_Rust: printf ("(Rust)"); break;
+ case DW_LANG_C11: printf ("(C11)"); break;
+ case DW_LANG_Swift: printf ("(Swift)"); break;
+ case DW_LANG_Julia: printf ("(Julia)"); break;
+ case DW_LANG_Dylan: printf ("(Dylan)"); break;
+ case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break;
+ case DW_LANG_Fortran03: printf ("(Fortran 03)"); break;
+ case DW_LANG_Fortran08: printf ("(Fortran 08)"); break;
+ case DW_LANG_RenderScript: printf ("(RenderScript)"); break;
/* MIPS extension. */
case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
/* UPC extension. */
case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
default:
if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
- printf ("(implementation defined: %lx)", uvalue);
+ printf (_("(implementation defined: %s)"),
+ dwarf_vmatoa ("x", uvalue));
else
- printf ("(Unknown: %lx)", uvalue);
+ printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
break;
}
break;
case DW_AT_encoding:
+ printf ("\t");
switch (uvalue)
{
case DW_ATE_void: printf ("(void)"); break;
case DW_ATE_edited: printf ("(edited)"); break;
case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
+ /* DWARF 4 values: */
+ case DW_ATE_UTF: printf ("(unicode string)"); break;
+ /* DWARF 5 values: */
+ case DW_ATE_UCS: printf ("(UCS)"); break;
+ case DW_ATE_ASCII: printf ("(ASCII)"); break;
+
/* HP extensions: */
case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
default:
if (uvalue >= DW_ATE_lo_user
&& uvalue <= DW_ATE_hi_user)
- printf ("(user defined type)");
+ printf (_("(user defined type)"));
else
- printf ("(unknown type)");
+ printf (_("(unknown type)"));
break;
}
break;
case DW_AT_accessibility:
+ printf ("\t");
switch (uvalue)
{
case DW_ACCESS_public: printf ("(public)"); break;
case DW_ACCESS_protected: printf ("(protected)"); break;
case DW_ACCESS_private: printf ("(private)"); break;
default:
- printf ("(unknown accessibility)");
+ printf (_("(unknown accessibility)"));
break;
}
break;
case DW_AT_visibility:
+ printf ("\t");
switch (uvalue)
{
case DW_VIS_local: printf ("(local)"); break;
case DW_VIS_exported: printf ("(exported)"); break;
case DW_VIS_qualified: printf ("(qualified)"); break;
- default: printf ("(unknown visibility)"); break;
+ default: printf (_("(unknown visibility)")); break;
+ }
+ break;
+
+ case DW_AT_endianity:
+ printf ("\t");
+ switch (uvalue)
+ {
+ case DW_END_default: printf ("(default)"); break;
+ case DW_END_big: printf ("(big)"); break;
+ case DW_END_little: printf ("(little)"); break;
+ default:
+ if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user)
+ printf (_("(user specified)"));
+ else
+ printf (_("(unknown endianity)"));
+ break;
}
break;
case DW_AT_virtuality:
+ printf ("\t");
switch (uvalue)
{
case DW_VIRTUALITY_none: printf ("(none)"); break;
case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
- default: printf ("(unknown virtuality)"); break;
+ default: printf (_("(unknown virtuality)")); break;
}
break;
case DW_AT_identifier_case:
+ printf ("\t");
switch (uvalue)
{
case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
case DW_ID_up_case: printf ("(up_case)"); break;
case DW_ID_down_case: printf ("(down_case)"); break;
case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
- default: printf ("(unknown case)"); break;
+ default: printf (_("(unknown case)")); break;
}
break;
case DW_AT_calling_convention:
+ printf ("\t");
switch (uvalue)
{
case DW_CC_normal: printf ("(normal)"); break;
case DW_CC_program: printf ("(program)"); break;
case DW_CC_nocall: printf ("(nocall)"); break;
+ case DW_CC_pass_by_reference: printf ("(pass by ref)"); break;
+ case DW_CC_pass_by_value: printf ("(pass by value)"); break;
+ case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break;
+ case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break;
default:
if (uvalue >= DW_CC_lo_user
&& uvalue <= DW_CC_hi_user)
- printf ("(user defined)");
+ printf (_("(user defined)"));
else
- printf ("(unknown convention)");
+ printf (_("(unknown convention)"));
}
break;
case DW_AT_ordering:
+ printf ("\t");
switch (uvalue)
{
- case -1: printf ("(undefined)"); break;
+ case 255:
+ case -1: printf (_("(undefined)")); break;
case 0: printf ("(row major)"); break;
case 1: printf ("(column major)"); break;
}
break;
+ case DW_AT_decimal_sign:
+ printf ("\t");
+ switch (uvalue)
+ {
+ case DW_DS_unsigned: printf (_("(unsigned)")); break;
+ case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break;
+ case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break;
+ case DW_DS_leading_separate: printf (_("(leading separate)")); break;
+ case DW_DS_trailing_separate: printf (_("(trailing separate)")); break;
+ default: printf (_("(unrecognised)")); break;
+ }
+ break;
+
+ case DW_AT_defaulted:
+ printf ("\t");
+ switch (uvalue)
+ {
+ case DW_DEFAULTED_no: printf (_("(no)")); break;
+ case DW_DEFAULTED_in_class: printf (_("(in class)")); break;
+ case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break;
+ default: printf (_("(unrecognised)")); break;
+ }
+ break;
+
+ case DW_AT_discr_list:
+ printf ("\t");
+ switch (uvalue)
+ {
+ case DW_DSC_label: printf (_("(label)")); break;
+ case DW_DSC_range: printf (_("(range)")); break;
+ default: printf (_("(unrecognised)")); break;
+ }
+ break;
+
case DW_AT_frame_base:
have_frame_base = 1;
+ /* Fall through. */
case DW_AT_location:
case DW_AT_string_length:
case DW_AT_return_addr:
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_use_location:
- if (form == DW_FORM_data4
- || form == DW_FORM_data8
+ case DW_AT_call_value:
+ case DW_AT_GNU_call_site_value:
+ case DW_AT_call_data_value:
+ case DW_AT_GNU_call_site_data_value:
+ case DW_AT_call_target:
+ case DW_AT_GNU_call_site_target:
+ case DW_AT_call_target_clobbered:
+ case DW_AT_GNU_call_site_target_clobbered:
+ if ((dwarf_version < 4
+ && (form == DW_FORM_data4 || form == DW_FORM_data8))
|| form == DW_FORM_sec_offset)
- printf (_("(location list)"));
+ printf (_(" (location list)"));
/* Fall through. */
case DW_AT_allocated:
case DW_AT_associated:
{
int need_frame_base;
- printf ("(");
+ printf ("\t(");
need_frame_base = decode_location_expression (block_start,
pointer_size,
offset_size,
}
break;
+ case DW_AT_data_bit_offset:
+ case DW_AT_byte_size:
+ case DW_AT_bit_size:
+ case DW_AT_string_length_byte_size:
+ case DW_AT_string_length_bit_size:
+ case DW_AT_bit_stride:
+ if (form == DW_FORM_exprloc)
+ {
+ printf ("\t(");
+ (void) decode_location_expression (block_start, pointer_size,
+ offset_size, dwarf_version,
+ uvalue, cu_offset, section);
+ printf (")");
+ }
+ break;
+
case DW_AT_import:
{
- if (form == DW_FORM_ref_sig8)
- break;
+ if (form == DW_FORM_ref_sig8
+ || form == DW_FORM_GNU_ref_alt)
+ break;
if (form == DW_FORM_ref1
|| form == DW_FORM_ref2
- || form == DW_FORM_ref4)
+ || form == DW_FORM_ref4
+ || form == DW_FORM_ref_udata)
uvalue += cu_offset;
if (uvalue >= section->size)
- warn (_("Offset %lx used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"),
- uvalue, (unsigned long) (orig_data - section->start));
+ warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"),
+ dwarf_vmatoa ("x", uvalue),
+ (unsigned long) (orig_data - section->start));
else
{
unsigned long abbrev_number;
abbrev_entry * entry;
- abbrev_number = read_leb128 (section->start + uvalue, NULL, 0);
+ abbrev_number = read_uleb128 (section->start + uvalue, NULL, end);
- printf ("[Abbrev Number: %ld", abbrev_number);
- for (entry = first_abbrev; entry != NULL; entry = entry->next)
- if (entry->entry == abbrev_number)
- break;
- if (entry != NULL)
- printf (" (%s)", get_TAG_name (entry->tag));
+ printf (_("\t[Abbrev Number: %ld"), abbrev_number);
+ /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
+ use different abbrev table, and we don't track .debug_info chunks
+ yet. */
+ if (form != DW_FORM_ref_addr)
+ {
+ for (entry = first_abbrev; entry != NULL; entry = entry->next)
+ if (entry->entry == abbrev_number)
+ break;
+ if (entry != NULL)
+ printf (" (%s)", get_TAG_name (entry->tag));
+ }
printf ("]");
}
}
return data;
}
-static char *
-get_AT_name (unsigned long attribute)
-{
- switch (attribute)
- {
- case DW_AT_sibling: return "DW_AT_sibling";
- case DW_AT_location: return "DW_AT_location";
- case DW_AT_name: return "DW_AT_name";
- case DW_AT_ordering: return "DW_AT_ordering";
- case DW_AT_subscr_data: return "DW_AT_subscr_data";
- case DW_AT_byte_size: return "DW_AT_byte_size";
- case DW_AT_bit_offset: return "DW_AT_bit_offset";
- case DW_AT_bit_size: return "DW_AT_bit_size";
- case DW_AT_element_list: return "DW_AT_element_list";
- case DW_AT_stmt_list: return "DW_AT_stmt_list";
- case DW_AT_low_pc: return "DW_AT_low_pc";
- case DW_AT_high_pc: return "DW_AT_high_pc";
- case DW_AT_language: return "DW_AT_language";
- case DW_AT_member: return "DW_AT_member";
- case DW_AT_discr: return "DW_AT_discr";
- case DW_AT_discr_value: return "DW_AT_discr_value";
- case DW_AT_visibility: return "DW_AT_visibility";
- case DW_AT_import: return "DW_AT_import";
- case DW_AT_string_length: return "DW_AT_string_length";
- case DW_AT_common_reference: return "DW_AT_common_reference";
- case DW_AT_comp_dir: return "DW_AT_comp_dir";
- case DW_AT_const_value: return "DW_AT_const_value";
- case DW_AT_containing_type: return "DW_AT_containing_type";
- case DW_AT_default_value: return "DW_AT_default_value";
- case DW_AT_inline: return "DW_AT_inline";
- case DW_AT_is_optional: return "DW_AT_is_optional";
- case DW_AT_lower_bound: return "DW_AT_lower_bound";
- case DW_AT_producer: return "DW_AT_producer";
- case DW_AT_prototyped: return "DW_AT_prototyped";
- case DW_AT_return_addr: return "DW_AT_return_addr";
- case DW_AT_start_scope: return "DW_AT_start_scope";
- case DW_AT_stride_size: return "DW_AT_stride_size";
- case DW_AT_upper_bound: return "DW_AT_upper_bound";
- case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
- case DW_AT_accessibility: return "DW_AT_accessibility";
- case DW_AT_address_class: return "DW_AT_address_class";
- case DW_AT_artificial: return "DW_AT_artificial";
- case DW_AT_base_types: return "DW_AT_base_types";
- case DW_AT_calling_convention: return "DW_AT_calling_convention";
- case DW_AT_count: return "DW_AT_count";
- case DW_AT_data_member_location: return "DW_AT_data_member_location";
- case DW_AT_decl_column: return "DW_AT_decl_column";
- case DW_AT_decl_file: return "DW_AT_decl_file";
- case DW_AT_decl_line: return "DW_AT_decl_line";
- case DW_AT_declaration: return "DW_AT_declaration";
- case DW_AT_discr_list: return "DW_AT_discr_list";
- case DW_AT_encoding: return "DW_AT_encoding";
- case DW_AT_external: return "DW_AT_external";
- case DW_AT_frame_base: return "DW_AT_frame_base";
- case DW_AT_friend: return "DW_AT_friend";
- case DW_AT_identifier_case: return "DW_AT_identifier_case";
- case DW_AT_macro_info: return "DW_AT_macro_info";
- case DW_AT_namelist_items: return "DW_AT_namelist_items";
- case DW_AT_priority: return "DW_AT_priority";
- case DW_AT_segment: return "DW_AT_segment";
- case DW_AT_specification: return "DW_AT_specification";
- case DW_AT_static_link: return "DW_AT_static_link";
- case DW_AT_type: return "DW_AT_type";
- case DW_AT_use_location: return "DW_AT_use_location";
- case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
- case DW_AT_virtuality: return "DW_AT_virtuality";
- case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
- /* DWARF 2.1 values. */
- case DW_AT_allocated: return "DW_AT_allocated";
- case DW_AT_associated: return "DW_AT_associated";
- case DW_AT_data_location: return "DW_AT_data_location";
- case DW_AT_stride: return "DW_AT_stride";
- case DW_AT_entry_pc: return "DW_AT_entry_pc";
- case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
- case DW_AT_extension: return "DW_AT_extension";
- case DW_AT_ranges: return "DW_AT_ranges";
- case DW_AT_trampoline: return "DW_AT_trampoline";
- case DW_AT_call_column: return "DW_AT_call_column";
- case DW_AT_call_file: return "DW_AT_call_file";
- case DW_AT_call_line: return "DW_AT_call_line";
- case DW_AT_description: return "DW_AT_description";
- case DW_AT_binary_scale: return "DW_AT_binary_scale";
- case DW_AT_decimal_scale: return "DW_AT_decimal_scale";
- case DW_AT_small: return "DW_AT_small";
- case DW_AT_decimal_sign: return "DW_AT_decimal_sign";
- case DW_AT_digit_count: return "DW_AT_digit_count";
- case DW_AT_picture_string: return "DW_AT_picture_string";
- case DW_AT_mutable: return "DW_AT_mutable";
- case DW_AT_threads_scaled: return "DW_AT_threads_scaled";
- case DW_AT_explicit: return "DW_AT_explicit";
- case DW_AT_object_pointer: return "DW_AT_object_pointer";
- case DW_AT_endianity: return "DW_AT_endianity";
- case DW_AT_elemental: return "DW_AT_elemental";
- case DW_AT_pure: return "DW_AT_pure";
- case DW_AT_recursive: return "DW_AT_recursive";
- /* DWARF 4 values. */
- case DW_AT_signature: return "DW_AT_signature";
- case DW_AT_main_subprogram: return "DW_AT_main_subprogram";
- case DW_AT_data_bit_offset: return "DW_AT_data_bit_offset";
- case DW_AT_const_expr: return "DW_AT_const_expr";
- case DW_AT_enum_class: return "DW_AT_enum_class";
- case DW_AT_linkage_name: return "DW_AT_linkage_name";
-
- /* HP and SGI/MIPS extensions. */
- case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
- case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
- case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
- case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
- case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth";
- case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
- case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
- case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
- case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
- case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
-
- /* HP Extensions. */
- case DW_AT_HP_block_index: return "DW_AT_HP_block_index";
- case DW_AT_HP_actuals_stmt_list: return "DW_AT_HP_actuals_stmt_list";
- case DW_AT_HP_proc_per_section: return "DW_AT_HP_proc_per_section";
- case DW_AT_HP_raw_data_ptr: return "DW_AT_HP_raw_data_ptr";
- case DW_AT_HP_pass_by_reference: return "DW_AT_HP_pass_by_reference";
- case DW_AT_HP_opt_level: return "DW_AT_HP_opt_level";
- case DW_AT_HP_prof_version_id: return "DW_AT_HP_prof_version_id";
- case DW_AT_HP_opt_flags: return "DW_AT_HP_opt_flags";
- case DW_AT_HP_cold_region_low_pc: return "DW_AT_HP_cold_region_low_pc";
- case DW_AT_HP_cold_region_high_pc: return "DW_AT_HP_cold_region_high_pc";
- case DW_AT_HP_all_variables_modifiable: return "DW_AT_HP_all_variables_modifiable";
- case DW_AT_HP_linkage_name: return "DW_AT_HP_linkage_name";
- case DW_AT_HP_prof_flags: return "DW_AT_HP_prof_flags";
-
- /* One value is shared by the MIPS and HP extensions: */
- case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
-
- /* GNU extensions. */
- case DW_AT_sf_names: return "DW_AT_sf_names";
- case DW_AT_src_info: return "DW_AT_src_info";
- case DW_AT_mac_info: return "DW_AT_mac_info";
- case DW_AT_src_coords: return "DW_AT_src_coords";
- case DW_AT_body_begin: return "DW_AT_body_begin";
- case DW_AT_body_end: return "DW_AT_body_end";
- case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
- case DW_AT_GNU_guarded_by: return "DW_AT_GNU_guarded_by";
- case DW_AT_GNU_pt_guarded_by: return "DW_AT_GNU_pt_guarded_by";
- case DW_AT_GNU_guarded: return "DW_AT_GNU_guarded";
- case DW_AT_GNU_pt_guarded: return "DW_AT_GNU_pt_guarded";
- case DW_AT_GNU_locks_excluded: return "DW_AT_GNU_locks_excluded";
- case DW_AT_GNU_exclusive_locks_required: return "DW_AT_GNU_exclusive_locks_required";
- case DW_AT_GNU_shared_locks_required: return "DW_AT_GNU_shared_locks_required";
- case DW_AT_GNU_odr_signature: return "DW_AT_GNU_odr_signature";
- case DW_AT_use_GNAT_descriptive_type: return "DW_AT_use_GNAT_descriptive_type";
- case DW_AT_GNAT_descriptive_type: return "DW_AT_GNAT_descriptive_type";
-
- /* UPC extension. */
- case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
-
- /* PGI (STMicroelectronics) extensions. */
- case DW_AT_PGI_lbase: return "DW_AT_PGI_lbase";
- case DW_AT_PGI_soffset: return "DW_AT_PGI_soffset";
- case DW_AT_PGI_lstride: return "DW_AT_PGI_lstride";
-
- default:
- {
- static char buffer[100];
-
- snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
- attribute);
- return buffer;
- }
- }
-}
-
static unsigned char *
-read_and_display_attr (unsigned long attribute,
- unsigned long form,
- unsigned char * data,
- unsigned long cu_offset,
- unsigned long pointer_size,
- unsigned long offset_size,
- int dwarf_version,
- debug_info * debug_info_p,
- int do_loc,
- struct dwarf_section * section)
+read_and_display_attr (unsigned long attribute,
+ unsigned long form,
+ dwarf_signed_vma implicit_const,
+ unsigned char * data,
+ unsigned char * end,
+ dwarf_vma cu_offset,
+ dwarf_vma pointer_size,
+ dwarf_vma offset_size,
+ int dwarf_version,
+ debug_info * debug_info_p,
+ int do_loc,
+ struct dwarf_section * section,
+ struct cu_tu_set * this_set)
{
if (!do_loc)
printf (" %-18s:", get_AT_name (attribute));
- data = read_and_display_attr_value (attribute, form, data, cu_offset,
- pointer_size, offset_size,
+ data = read_and_display_attr_value (attribute, form, implicit_const, data, end,
+ cu_offset, pointer_size, offset_size,
dwarf_version, debug_info_p,
- do_loc, section);
+ do_loc, section, this_set, ' ');
if (!do_loc)
printf ("\n");
return data;
}
+/* Like load_debug_section, but if the ordinary call fails, and we are
+ following debug links, then attempt to load the requested section
+ from one of the separate debug info files. */
-/* Process the contents of a .debug_info section. If do_loc is non-zero
- then we are scanning for location lists and we do not want to display
- anything to the user. If do_types is non-zero, we are processing
- a .debug_types section instead of a .debug_info section. */
-
-static int
-process_debug_info (struct dwarf_section *section,
- void *file,
- enum dwarf_section_display_enum abbrev_sec,
- int do_loc,
- int do_types)
+static bfd_boolean
+load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum,
+ void * handle)
{
- unsigned char *start = section->start;
- unsigned char *end = start + section->size;
- unsigned char *section_begin;
- unsigned int unit;
- unsigned int num_units = 0;
+ if (load_debug_section (sec_enum, handle))
+ {
+ if (debug_displays[sec_enum].section.filename == NULL)
+ {
+ /* See if we can associate a filename with this section. */
+ separate_info * i;
- if ((do_loc || do_debug_loc || do_debug_ranges)
- && num_debug_info_entries == 0
- && ! do_types)
+ for (i = first_separate_info; i != NULL; i = i->next)
+ if (i->handle == handle)
+ {
+ debug_displays[sec_enum].section.filename = i->filename;
+ break;
+ }
+ }
+
+ return TRUE;
+ }
+
+ if (do_follow_links)
{
- unsigned long length;
+ separate_info * i;
- /* First scan the section to get the number of comp units. */
- for (section_begin = start, num_units = 0; section_begin < end;
- num_units ++)
+ for (i = first_separate_info; i != NULL; i = i->next)
{
- /* Read the first 4 bytes. For a 32-bit DWARF section, this
- will be the length. For a 64-bit DWARF section, it'll be
- the escape code 0xffffffff followed by an 8 byte length. */
- length = byte_get (section_begin, 4);
-
- if (length == 0xffffffff)
+ if (load_debug_section (sec_enum, i->handle))
{
- length = byte_get (section_begin + 4, 8);
+ debug_displays[sec_enum].section.filename = i->filename;
+
+ /* FIXME: We should check to see if any of the remaining debug info
+ files also contain this section, and, umm, do something about it. */
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+introduce (struct dwarf_section * section, bfd_boolean raw)
+{
+ if (raw)
+ {
+ if (do_follow_links && section->filename)
+ printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"),
+ section->name, section->filename);
+ else
+ printf (_("Raw dump of debug contents of section %s:\n\n"), section->name);
+ }
+ else
+ {
+ if (do_follow_links && section->filename)
+ printf (_("Contents of the %s section (loaded from %s):\n\n"),
+ section->name, section->filename);
+ else
+ printf (_("Contents of the %s section:\n\n"), section->name);
+ }
+}
+
+/* Process the contents of a .debug_info section.
+ If do_loc is TRUE then we are scanning for location lists and dwo tags
+ and we do not want to display anything to the user.
+ If do_types is TRUE, we are processing a .debug_types section instead of
+ a .debug_info section.
+ The information displayed is restricted by the values in DWARF_START_DIE
+ and DWARF_CUTOFF_LEVEL.
+ Returns TRUE upon success. Otherwise an error or warning message is
+ printed and FALSE is returned. */
+
+static bfd_boolean
+process_debug_info (struct dwarf_section * section,
+ void * file,
+ enum dwarf_section_display_enum abbrev_sec,
+ bfd_boolean do_loc,
+ bfd_boolean do_types)
+{
+ unsigned char *start = section->start;
+ unsigned char *end = start + section->size;
+ unsigned char *section_begin;
+ unsigned int unit;
+ unsigned int num_units = 0;
+
+ if ((do_loc || do_debug_loc || do_debug_ranges)
+ && num_debug_info_entries == 0
+ && ! do_types)
+ {
+ dwarf_vma length;
+
+ /* First scan the section to get the number of comp units. */
+ for (section_begin = start, num_units = 0; section_begin < end;
+ num_units ++)
+ {
+ /* Read the first 4 bytes. For a 32-bit DWARF section, this
+ will be the length. For a 64-bit DWARF section, it'll be
+ the escape code 0xffffffff followed by an 8 byte length. */
+ SAFE_BYTE_GET (length, section_begin, 4, end);
+
+ if (length == 0xffffffff)
+ {
+ SAFE_BYTE_GET (length, section_begin + 4, 8, end);
section_begin += length + 12;
}
else if (length >= 0xfffffff0 && length < 0xffffffff)
{
- warn (_("Reserved length value (%lx) found in section %s\n"), length, section->name);
- return 0;
+ warn (_("Reserved length value (0x%s) found in section %s\n"),
+ dwarf_vmatoa ("x", length), section->name);
+ return FALSE;
}
else
section_begin += length + 4;
/* Negative values are illegal, they may even cause infinite
looping. This can happen if we can't accurately apply
- relocations to an object file. */
- if ((signed long) length <= 0)
+ relocations to an object file, or if the file is corrupt. */
+ if ((signed long) length <= 0 || section_begin < start)
{
- warn (_("Corrupt unit length (%lx) found in section %s\n"), length, section->name);
- return 0;
+ warn (_("Corrupt unit length (0x%s) found in section %s\n"),
+ dwarf_vmatoa ("x", length), section->name);
+ return FALSE;
}
}
if (num_units == 0)
{
- error (_("No comp units in %s section ?"), section->name);
- return 0;
+ error (_("No comp units in %s section ?\n"), section->name);
+ return FALSE;
}
/* Then allocate an array to hold the information. */
debug_information = (debug_info *) cmalloc (num_units,
- sizeof (* debug_information));
+ sizeof (* debug_information));
if (debug_information == NULL)
{
- error (_("Not enough memory for a debug info array of %u entries"),
+ error (_("Not enough memory for a debug info array of %u entries\n"),
num_units);
- return 0;
+ alloc_num_debug_info_entries = num_debug_info_entries = 0;
+ return FALSE;
}
+
+ /* PR 17531: file: 92ca3797.
+ We cannot rely upon the debug_information array being initialised
+ before it is used. A corrupt file could easily contain references
+ to a unit for which information has not been made available. So
+ we ensure that the array is zeroed here. */
+ memset (debug_information, 0, num_units * sizeof (*debug_information));
+
+ alloc_num_debug_info_entries = num_units;
}
if (!do_loc)
{
- printf (_("Contents of the %s section:\n\n"), section->name);
-
- load_debug_section (str, file);
+ load_debug_section_with_follow (str, file);
+ load_debug_section_with_follow (line_str, file);
+ load_debug_section_with_follow (str_dwo, file);
+ load_debug_section_with_follow (str_index, file);
+ load_debug_section_with_follow (str_index_dwo, file);
+ load_debug_section_with_follow (debug_addr, file);
}
- load_debug_section (abbrev_sec, file);
+ load_debug_section_with_follow (abbrev_sec, file);
if (debug_displays [abbrev_sec].section.start == NULL)
{
warn (_("Unable to locate %s section!\n"),
- debug_displays [abbrev_sec].section.name);
- return 0;
+ debug_displays [abbrev_sec].section.uncompressed_name);
+ return FALSE;
}
+ if (!do_loc && dwarf_start_die == 0)
+ introduce (section, FALSE);
+
for (section_begin = start, unit = 0; start < end; unit++)
{
DWARF2_Internal_CompUnit compunit;
unsigned char *hdrptr;
unsigned char *tags;
- int level;
- unsigned long cu_offset;
- int offset_size;
- int initial_length_size;
- unsigned char signature[8] = { 0 };
- unsigned long type_offset = 0;
+ int level, last_level, saved_level;
+ dwarf_vma cu_offset;
+ unsigned long sec_off;
+ unsigned int offset_size;
+ unsigned int initial_length_size;
+ dwarf_vma signature_high = 0;
+ dwarf_vma signature_low = 0;
+ dwarf_vma type_offset = 0;
+ struct cu_tu_set *this_set;
+ dwarf_vma abbrev_base;
+ size_t abbrev_size;
hdrptr = start;
- compunit.cu_length = byte_get (hdrptr, 4);
- hdrptr += 4;
+ SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
if (compunit.cu_length == 0xffffffff)
{
- compunit.cu_length = byte_get (hdrptr, 8);
- hdrptr += 8;
+ SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
offset_size = 8;
initial_length_size = 12;
}
initial_length_size = 4;
}
- compunit.cu_version = byte_get (hdrptr, 2);
- hdrptr += 2;
+ SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end);
cu_offset = start - section_begin;
- compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
+ this_set = find_cu_tu_set_v2 (cu_offset, do_types);
+
+ if (compunit.cu_version < 5)
+ {
+ compunit.cu_unit_type = DW_UT_compile;
+ /* Initialize it due to a false compiler warning. */
+ compunit.cu_pointer_size = -1;
+ }
+ else
+ {
+ SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end);
+ do_types = (compunit.cu_unit_type == DW_UT_type);
+
+ SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
+ }
- compunit.cu_pointer_size = byte_get (hdrptr, 1);
- hdrptr += 1;
+ SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
- if (do_types)
- {
- int i;
+ if (this_set == NULL)
+ {
+ abbrev_base = 0;
+ abbrev_size = debug_displays [abbrev_sec].section.size;
+ }
+ else
+ {
+ abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
+ abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
+ }
+
+ if (compunit.cu_version < 5)
+ SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
+
+ /* PR 17512: file: 001-108546-0.001:0.1. */
+ if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
+ {
+ warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"),
+ compunit.cu_pointer_size, offset_size);
+ compunit.cu_pointer_size = offset_size;
+ }
- for (i = 0; i < 8; i++)
- {
- signature[i] = byte_get (hdrptr, 1);
- hdrptr += 1;
- }
+ if (do_types)
+ {
+ SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end);
+ hdrptr += 8;
+ SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end);
+ }
- type_offset = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
- }
+ if (dwarf_start_die > (cu_offset + compunit.cu_length
+ + initial_length_size))
+ {
+ start = section_begin + cu_offset + compunit.cu_length
+ + initial_length_size;
+ continue;
+ }
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0
debug_information [unit].offset_size = offset_size;
debug_information [unit].dwarf_version = compunit.cu_version;
debug_information [unit].base_address = 0;
+ debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
+ debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
debug_information [unit].loc_offsets = NULL;
debug_information [unit].have_frame_base = NULL;
debug_information [unit].max_loc_offsets = 0;
debug_information [unit].num_range_lists = 0;
}
- if (!do_loc)
+ if (!do_loc && dwarf_start_die == 0)
{
- printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset);
- printf (_(" Length: 0x%lx (%s)\n"), compunit.cu_length,
- initial_length_size == 8 ? "64-bit" : "32-bit");
+ printf (_(" Compilation Unit @ offset 0x%s:\n"),
+ dwarf_vmatoa ("x", cu_offset));
+ printf (_(" Length: 0x%s (%s)\n"),
+ dwarf_vmatoa ("x", compunit.cu_length),
+ offset_size == 8 ? "64-bit" : "32-bit");
printf (_(" Version: %d\n"), compunit.cu_version);
- printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
+ printf (_(" Abbrev Offset: 0x%s\n"),
+ dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
if (do_types)
{
- int i;
- printf (_(" Signature: "));
- for (i = 0; i < 8; i++)
- printf ("%02x", signature[i]);
- printf ("\n");
- printf (_(" Type Offset: 0x%lx\n"), type_offset);
+ char buf[64];
+
+ printf (_(" Signature: 0x%s\n"),
+ dwarf_vmatoa64 (signature_high, signature_low,
+ buf, sizeof (buf)));
+ printf (_(" Type Offset: 0x%s\n"),
+ dwarf_vmatoa ("x", type_offset));
+ }
+ if (this_set != NULL)
+ {
+ dwarf_vma *offsets = this_set->section_offsets;
+ size_t *sizes = this_set->section_sizes;
+
+ printf (_(" Section contributions:\n"));
+ printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
+ dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
+ dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
+ printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
+ dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
+ dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
+ printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
+ dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
+ dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
+ printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
+ dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
+ dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
}
}
- if (cu_offset + compunit.cu_length + initial_length_size
- > section->size)
+ sec_off = cu_offset + initial_length_size;
+ if (sec_off + compunit.cu_length < sec_off
+ || sec_off + compunit.cu_length > section->size)
{
- warn (_("Debug info is corrupted, length of CU at %lx extends beyond end of section (length = %lx)\n"),
- cu_offset, compunit.cu_length);
+ warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
+ section->name,
+ (unsigned long) cu_offset,
+ dwarf_vmatoa ("x", compunit.cu_length));
+ num_units = unit;
break;
}
+
tags = hdrptr;
start += compunit.cu_length + initial_length_size;
- if (compunit.cu_version != 2
- && compunit.cu_version != 3
- && compunit.cu_version != 4)
+ if (compunit.cu_version < 2 || compunit.cu_version > 5)
+ {
+ warn (_("CU at offset %s contains corrupt or "
+ "unsupported version number: %d.\n"),
+ dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
+ continue;
+ }
+
+ if (compunit.cu_unit_type != DW_UT_compile
+ && compunit.cu_unit_type != DW_UT_type)
{
- warn (_("CU at offset %lx contains corrupt or unsupported version number: %d.\n"),
- cu_offset, compunit.cu_version);
+ warn (_("CU at offset %s contains corrupt or "
+ "unsupported unit type: %d.\n"),
+ dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
continue;
}
free_abbrevs ();
- /* Process the abbrevs used by this compilation unit. DWARF
- sections under Mach-O have non-zero addresses. */
- if (compunit.cu_abbrev_offset >= debug_displays [abbrev_sec].section.size)
+ /* Process the abbrevs used by this compilation unit. */
+ if (compunit.cu_abbrev_offset >= abbrev_size)
warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
(unsigned long) compunit.cu_abbrev_offset,
+ (unsigned long) abbrev_size);
+ /* PR 17531: file:4bcd9ce9. */
+ else if ((abbrev_base + abbrev_size)
+ > debug_displays [abbrev_sec].section.size)
+ warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"),
+ (unsigned long) abbrev_base + abbrev_size,
(unsigned long) debug_displays [abbrev_sec].section.size);
else
process_abbrev_section
- ((unsigned char *) debug_displays [abbrev_sec].section.start
- + compunit.cu_abbrev_offset,
- (unsigned char *) debug_displays [abbrev_sec].section.start
- + debug_displays [abbrev_sec].section.size);
+ (((unsigned char *) debug_displays [abbrev_sec].section.start
+ + abbrev_base + compunit.cu_abbrev_offset),
+ ((unsigned char *) debug_displays [abbrev_sec].section.start
+ + abbrev_base + abbrev_size));
level = 0;
+ last_level = level;
+ saved_level = -1;
while (tags < start)
{
unsigned int bytes_read;
unsigned long die_offset;
abbrev_entry *entry;
abbrev_attr *attr;
+ int do_printing = 1;
die_offset = tags - section_begin;
- abbrev_number = read_leb128 (tags, & bytes_read, 0);
+ abbrev_number = read_uleb128 (tags, & bytes_read, start);
tags += bytes_read;
/* A null DIE marks the end of a list of siblings or it may also be
break;
}
+ if (!do_loc && die_offset >= dwarf_start_die
+ && (dwarf_cutoff_level == -1
+ || level < dwarf_cutoff_level))
+ printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
+ level, die_offset);
+
--level;
if (level < 0)
{
if (num_bogus_warns < 3)
{
- warn (_("Bogus end-of-siblings marker detected at offset %lx in .debug_info section\n"),
- die_offset);
+ warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
+ die_offset, section->name);
num_bogus_warns ++;
if (num_bogus_warns == 3)
warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
}
}
+ if (dwarf_start_die != 0 && level < saved_level)
+ return TRUE;
continue;
}
if (!do_loc)
- printf (_(" <%d><%lx>: Abbrev Number: %lu"),
- level, die_offset, abbrev_number);
+ {
+ if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
+ do_printing = 0;
+ else
+ {
+ if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
+ saved_level = level;
+ do_printing = (dwarf_cutoff_level == -1
+ || level < dwarf_cutoff_level);
+ if (do_printing)
+ printf (_(" <%d><%lx>: Abbrev Number: %lu"),
+ level, die_offset, abbrev_number);
+ else if (dwarf_cutoff_level == -1
+ || last_level < dwarf_cutoff_level)
+ printf (_(" <%d><%lx>: ...\n"), level, die_offset);
+ last_level = level;
+ }
+ }
/* Scan through the abbreviation list until we reach the
correct entry. */
if (entry == NULL)
{
- if (!do_loc)
+ if (!do_loc && do_printing)
{
printf ("\n");
fflush (stdout);
}
- warn (_("DIE at offset %lx refers to abbreviation number %lu which does not exist\n"),
+ warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"),
die_offset, abbrev_number);
- return 0;
+ return FALSE;
}
- if (!do_loc)
- printf (_(" (%s)\n"), get_TAG_name (entry->tag));
+ if (!do_loc && do_printing)
+ printf (" (%s)\n", get_TAG_name (entry->tag));
switch (entry->tag)
{
need_base_address = 0;
break;
case DW_TAG_compile_unit:
- need_base_address = 1;
+ need_base_address = 1;
+ need_dwo_info = do_loc;
break;
case DW_TAG_entry_point:
case DW_TAG_subprogram:
break;
}
- for (attr = entry->first_attr; attr; attr = attr->next)
+ debug_info *debug_info_p =
+ (debug_information && unit < alloc_num_debug_info_entries)
+ ? debug_information + unit : NULL;
+
+ assert (!debug_info_p
+ || (debug_info_p->num_loc_offsets
+ == debug_info_p->num_loc_views));
+
+ for (attr = entry->first_attr;
+ attr && attr->attribute;
+ attr = attr->next)
{
- if (! do_loc)
+ if (! do_loc && do_printing)
/* Show the offset from where the tag was extracted. */
- printf (" <%2lx>", (unsigned long)(tags - section_begin));
-
+ printf (" <%lx>", (unsigned long)(tags - section_begin));
tags = read_and_display_attr (attr->attribute,
attr->form,
- tags, cu_offset,
+ attr->implicit_const,
+ tags,
+ end,
+ cu_offset,
compunit.cu_pointer_size,
offset_size,
compunit.cu_version,
- debug_information + unit,
- do_loc, section);
+ debug_info_p,
+ do_loc || ! do_printing,
+ section,
+ this_set);
+ }
+
+ /* If a locview attribute appears before a location one,
+ make sure we don't associate it with an earlier
+ loclist. */
+ if (debug_info_p)
+ switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views)
+ {
+ case 1:
+ debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1;
+ debug_info_p->num_loc_views++;
+ assert (debug_info_p->num_loc_views
+ == debug_info_p->num_loc_offsets);
+ break;
+
+ case 0:
+ break;
+
+ case -1:
+ warn(_("DIE has locviews without loclist\n"));
+ debug_info_p->num_loc_views--;
+ break;
+
+ default:
+ assert (0);
}
- if (entry->children)
- ++level;
- }
+ if (entry->children)
+ ++level;
+ }
}
/* Set num_debug_info_entries here so that it can be used to check if
if ((do_loc || do_debug_loc || do_debug_ranges)
&& num_debug_info_entries == 0
&& ! do_types)
- num_debug_info_entries = num_units;
-
- if (!do_loc)
{
- printf ("\n");
+ if (num_units > alloc_num_debug_info_entries)
+ num_debug_info_entries = alloc_num_debug_info_entries;
+ else
+ num_debug_info_entries = num_units;
}
- return 1;
+ if (!do_loc)
+ printf ("\n");
+
+ return TRUE;
}
/* Locate and scan the .debug_info section in the file and record the pointer
static unsigned int
load_debug_info (void * file)
{
- /* Reset the last pointer size so that we can issue correct error
- messages if we are displaying the contents of more than one section. */
- last_pointer_size = 0;
- warned_about_missing_comp_units = FALSE;
-
/* If we have already tried and failed to load the .debug_info
- section then do not bother to repear the task. */
+ section then do not bother to repeat the task. */
if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
return 0;
if (num_debug_info_entries > 0)
return num_debug_info_entries;
- if (load_debug_section (info, file)
- && process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0))
+ /* If this is a DWARF package file, load the CU and TU indexes. */
+ (void) load_cu_tu_indexes (file);
+
+ if (load_debug_section_with_follow (info, file)
+ && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE))
+ return num_debug_info_entries;
+
+ if (load_debug_section_with_follow (info_dwo, file)
+ && process_debug_info (&debug_displays [info_dwo].section, file,
+ abbrev_dwo, TRUE, FALSE))
return num_debug_info_entries;
num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
return 0;
}
-static int
-display_debug_lines_raw (struct dwarf_section *section,
- unsigned char *data,
- unsigned char *end)
-{
- unsigned char *start = section->start;
+/* Read a DWARF .debug_line section header starting at DATA.
+ Upon success returns an updated DATA pointer and the LINFO
+ structure and the END_OF_SEQUENCE pointer will be filled in.
+ Otherwise returns NULL. */
- printf (_("Raw dump of debug contents of section %s:\n\n"),
- section->name);
+static unsigned char *
+read_debug_line_header (struct dwarf_section * section,
+ unsigned char * data,
+ unsigned char * end,
+ DWARF2_Internal_LineInfo * linfo,
+ unsigned char ** end_of_sequence)
+{
+ unsigned char *hdrptr;
+ unsigned int initial_length_size;
+ unsigned char address_size, segment_selector_size;
- while (data < end)
- {
- DWARF2_Internal_LineInfo linfo;
- unsigned char *standard_opcodes;
- unsigned char *end_of_sequence;
- unsigned char *hdrptr;
- unsigned long hdroff;
- int initial_length_size;
- int offset_size;
- int i;
+ /* Extract information from the Line Number Program Header.
+ (section 6.2.4 in the Dwarf3 doc). */
+ hdrptr = data;
- hdrptr = data;
- hdroff = hdrptr - start;
+ /* Get and check the length of the block. */
+ SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
- /* Check the length of the block. */
- linfo.li_length = byte_get (hdrptr, 4);
- hdrptr += 4;
+ if (linfo->li_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
+ linfo->li_offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ linfo->li_offset_size = 4;
+ initial_length_size = 4;
+ }
- if (linfo.li_length == 0xffffffff)
+ if (linfo->li_length + initial_length_size > section->size)
+ {
+ /* If the length field has a relocation against it, then we should
+ not complain if it is inaccurate (and probably negative). This
+ happens in object files when the .debug_line section is actually
+ comprised of several different .debug_line.* sections, (some of
+ which may be removed by linker garbage collection), and a relocation
+ is used to compute the correct length once that is done. */
+ if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
{
- /* This section is 64-bit DWARF 3. */
- linfo.li_length = byte_get (hdrptr, 8);
- hdrptr += 8;
- offset_size = 8;
- initial_length_size = 12;
+ linfo->li_length = (end - data) - initial_length_size;
}
else
{
- offset_size = 4;
- initial_length_size = 4;
+ warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
+ (long) linfo->li_length);
+ return NULL;
}
+ }
+
+ /* Get and check the version number. */
+ SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
- if (linfo.li_length + initial_length_size > section->size)
+ if (linfo->li_version != 2
+ && linfo->li_version != 3
+ && linfo->li_version != 4
+ && linfo->li_version != 5)
+ {
+ warn (_("Only DWARF version 2, 3, 4 and 5 line info "
+ "is currently supported.\n"));
+ return NULL;
+ }
+
+ if (linfo->li_version >= 5)
+ {
+ SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
+
+ SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
+ if (segment_selector_size != 0)
{
- warn
- (_("The information in section %s appears to be corrupt - the section is too small\n"),
- section->name);
+ warn (_("The %s section contains "
+ "unsupported segment selector size: %d.\n"),
+ section->name, segment_selector_size);
return 0;
}
+ }
+
+ SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
+ linfo->li_offset_size, end);
+ SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
+
+ if (linfo->li_version >= 4)
+ {
+ SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
- /* Check its version number. */
- linfo.li_version = byte_get (hdrptr, 2);
- hdrptr += 2;
- if (linfo.li_version != 2
- && linfo.li_version != 3
- && linfo.li_version != 4)
+ if (linfo->li_max_ops_per_insn == 0)
{
- warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n"));
- return 0;
+ warn (_("Invalid maximum operations per insn.\n"));
+ return NULL;
}
+ }
+ else
+ linfo->li_max_ops_per_insn = 1;
+
+ SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
+ SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
+ SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
+ SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
+
+ * end_of_sequence = data + linfo->li_length + initial_length_size;
+ /* PR 17512: file:002-117414-0.004. */
+ if (* end_of_sequence > end)
+ {
+ warn (_("Line length %s extends beyond end of section\n"),
+ dwarf_vmatoa ("u", linfo->li_length));
+ * end_of_sequence = end;
+ return NULL;
+ }
- linfo.li_prologue_length = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
- linfo.li_min_insn_length = byte_get (hdrptr, 1);
- hdrptr++;
- if (linfo.li_version >= 4)
+ return hdrptr;
+}
+
+static unsigned char *
+display_formatted_table (unsigned char * data,
+ unsigned char * start,
+ unsigned char * end,
+ const DWARF2_Internal_LineInfo * linfo,
+ struct dwarf_section * section,
+ bfd_boolean is_dir)
+{
+ unsigned char *format_start, format_count, *format, formati;
+ dwarf_vma data_count, datai;
+ unsigned int bytes_read, namepass, last_entry = 0;
+
+ SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
+ format_start = data;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
{
- linfo.li_max_ops_per_insn = byte_get (hdrptr, 1);
- hdrptr++;
- if (linfo.li_max_ops_per_insn == 0)
- {
- warn (_("Invalid maximum operations per insn.\n"));
- return 0;
- }
+ if (is_dir)
+ warn (_("Corrupt directory format table entry\n"));
+ else
+ warn (_("Corrupt file name format table entry\n"));
+ return data;
}
+ }
+
+ data_count = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
+ {
+ if (is_dir)
+ warn (_("Corrupt directory list\n"));
else
- linfo.li_max_ops_per_insn = 1;
- linfo.li_default_is_stmt = byte_get (hdrptr, 1);
- hdrptr++;
- linfo.li_line_base = byte_get (hdrptr, 1);
- hdrptr++;
- linfo.li_line_range = byte_get (hdrptr, 1);
- hdrptr++;
- linfo.li_opcode_base = byte_get (hdrptr, 1);
- hdrptr++;
-
- /* Sign extend the line base field. */
- linfo.li_line_base <<= 24;
- linfo.li_line_base >>= 24;
-
- printf (_(" Offset: 0x%lx\n"), hdroff);
- printf (_(" Length: %ld\n"), linfo.li_length);
- printf (_(" DWARF Version: %d\n"), linfo.li_version);
- printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length);
- printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
- if (linfo.li_version >= 4)
- printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
- printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
- printf (_(" Line Base: %d\n"), linfo.li_line_base);
- printf (_(" Line Range: %d\n"), linfo.li_line_range);
- printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
-
- end_of_sequence = data + linfo.li_length + initial_length_size;
-
- reset_state_machine (linfo.li_default_is_stmt);
-
- /* Display the contents of the Opcodes table. */
- standard_opcodes = hdrptr;
-
- printf (_("\n Opcodes:\n"));
-
- for (i = 1; i < linfo.li_opcode_base; i++)
- printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
-
- /* Display the contents of the Directory table. */
- data = standard_opcodes + linfo.li_opcode_base - 1;
-
- if (*data == 0)
+ warn (_("Corrupt file name list\n"));
+ return data;
+ }
+
+ if (data_count == 0)
+ {
+ if (is_dir)
printf (_("\n The Directory Table is empty.\n"));
else
+ printf (_("\n The File Name Table is empty.\n"));
+ return data;
+ }
+
+ if (is_dir)
+ printf (_("\n The Directory Table (offset 0x%lx):\n"),
+ (long) (data - start));
+ else
+ printf (_("\n The File Name Table (offset 0x%lx):\n"),
+ (long) (data - start));
+
+ printf (_(" Entry"));
+ /* Delay displaying name as the last entry for better screen layout. */
+ for (namepass = 0; namepass < 2; namepass++)
+ {
+ format = format_start;
+ for (formati = 0; formati < format_count; formati++)
{
- printf (_("\n The Directory Table:\n"));
+ dwarf_vma content_type;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ if ((content_type == DW_LNCT_path) == (namepass == 1))
+ switch (content_type)
+ {
+ case DW_LNCT_path:
+ printf (_("\tName"));
+ break;
+ case DW_LNCT_directory_index:
+ printf (_("\tDir"));
+ break;
+ case DW_LNCT_timestamp:
+ printf (_("\tTime"));
+ break;
+ case DW_LNCT_size:
+ printf (_("\tSize"));
+ break;
+ case DW_LNCT_MD5:
+ printf (_("\tMD5"));
+ break;
+ default:
+ printf (_("\t(Unknown format content type %s)"),
+ dwarf_vmatoa ("u", content_type));
+ }
+ read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ }
+ }
+ putchar ('\n');
- while (*data != 0)
- {
- printf (_(" %s\n"), data);
+ for (datai = 0; datai < data_count; datai++)
+ {
+ unsigned char *datapass = data;
- data += strlen ((char *) data) + 1;
+ printf (" %d", last_entry++);
+ /* Delay displaying name as the last entry for better screen layout. */
+ for (namepass = 0; namepass < 2; namepass++)
+ {
+ format = format_start;
+ data = datapass;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type, form;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ form = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ data = read_and_display_attr_value (0, form, 0, data, end, 0, 0,
+ linfo->li_offset_size,
+ linfo->li_version, NULL,
+ ((content_type == DW_LNCT_path) != (namepass == 1)),
+ section, NULL, '\t');
}
}
+ if (data == end)
+ {
+ if (is_dir)
+ warn (_("Corrupt directory entries list\n"));
+ else
+ warn (_("Corrupt file name entries list\n"));
+ return data;
+ }
+ putchar ('\n');
+ }
+ return data;
+}
- /* Skip the NUL at the end of the table. */
- data++;
+static int
+display_debug_lines_raw (struct dwarf_section * section,
+ unsigned char * data,
+ unsigned char * end,
+ void * file)
+{
+ unsigned char *start = section->start;
+ int verbose_view = 0;
- /* Display the contents of the File Name table. */
- if (*data == 0)
- printf (_("\n The File Name Table is empty.\n"));
+ introduce (section, TRUE);
+
+ while (data < end)
+ {
+ static DWARF2_Internal_LineInfo saved_linfo;
+ DWARF2_Internal_LineInfo linfo;
+ unsigned char *standard_opcodes;
+ unsigned char *end_of_sequence;
+ int i;
+
+ if (const_strneq (section->name, ".debug_line.")
+ /* Note: the following does not apply to .debug_line.dwo sections.
+ These are full debug_line sections. */
+ && strcmp (section->name, ".debug_line.dwo") != 0)
+ {
+ /* Sections named .debug_line.<foo> are fragments of a .debug_line
+ section containing just the Line Number Statements. They are
+ created by the assembler and intended to be used alongside gcc's
+ -ffunction-sections command line option. When the linker's
+ garbage collection decides to discard a .text.<foo> section it
+ can then also discard the line number information in .debug_line.<foo>.
+
+ Since the section is a fragment it does not have the details
+ needed to fill out a LineInfo structure, so instead we use the
+ details from the last full debug_line section that we processed. */
+ end_of_sequence = end;
+ standard_opcodes = NULL;
+ linfo = saved_linfo;
+ /* PR 17531: file: 0522b371. */
+ if (linfo.li_line_range == 0)
+ {
+ warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
+ return 0;
+ }
+ reset_state_machine (linfo.li_default_is_stmt);
+ }
else
{
- printf (_("\n The File Name Table:\n"));
- printf (_(" Entry\tDir\tTime\tSize\tName\n"));
-
- while (*data != 0)
+ unsigned char * hdrptr;
+
+ if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
+ & end_of_sequence)) == NULL)
+ return 0;
+
+ printf (_(" Offset: 0x%lx\n"), (long)(data - start));
+ printf (_(" Length: %ld\n"), (long) linfo.li_length);
+ printf (_(" DWARF Version: %d\n"), linfo.li_version);
+ printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
+ printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
+ if (linfo.li_version >= 4)
+ printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
+ printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
+ printf (_(" Line Base: %d\n"), linfo.li_line_base);
+ printf (_(" Line Range: %d\n"), linfo.li_line_range);
+ printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
+
+ /* PR 17512: file: 1665-6428-0.004. */
+ if (linfo.li_line_range == 0)
{
- unsigned char *name;
- unsigned int bytes_read;
+ warn (_("Line range of 0 is invalid, using 1 instead\n"));
+ linfo.li_line_range = 1;
+ }
- printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
- name = data;
+ reset_state_machine (linfo.li_default_is_stmt);
- data += strlen ((char *) data) + 1;
+ /* Display the contents of the Opcodes table. */
+ standard_opcodes = hdrptr;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
- data += bytes_read;
- printf (_("%s\n"), name);
+ /* PR 17512: file: 002-417945-0.004. */
+ if (standard_opcodes + linfo.li_opcode_base >= end)
+ {
+ warn (_("Line Base extends beyond end of section\n"));
+ return 0;
}
- }
- /* Skip the NUL at the end of the table. */
- data++;
+ printf (_("\n Opcodes:\n"));
- /* Now display the statements. */
- printf (_("\n Line Number Statements:\n"));
+ for (i = 1; i < linfo.li_opcode_base; i++)
+ printf (ngettext (" Opcode %d has %d arg\n",
+ " Opcode %d has %d args\n",
+ standard_opcodes[i - 1]),
+ i, standard_opcodes[i - 1]);
- while (data < end_of_sequence)
- {
- unsigned char op_code;
- int adv;
- unsigned long int uladv;
- unsigned int bytes_read;
+ /* Display the contents of the Directory table. */
+ data = standard_opcodes + linfo.li_opcode_base - 1;
- op_code = *data++;
+ if (linfo.li_version >= 5)
+ {
+ load_debug_section_with_follow (line_str, file);
- if (op_code >= linfo.li_opcode_base)
+ data = display_formatted_table (data, start, end, &linfo, section,
+ TRUE);
+ data = display_formatted_table (data, start, end, &linfo, section,
+ FALSE);
+ }
+ else
{
- op_code -= linfo.li_opcode_base;
- uladv = (op_code / linfo.li_line_range);
- if (linfo.li_max_ops_per_insn == 1)
- {
- uladv *= linfo.li_min_insn_length;
- state_machine_regs.address += uladv;
- printf (_(" Special opcode %d: advance Address by %lu to 0x%lx"),
- op_code, uladv, state_machine_regs.address);
- }
+ if (*data == 0)
+ printf (_("\n The Directory Table is empty.\n"));
else
{
- state_machine_regs.address
- += ((state_machine_regs.op_index + uladv)
- / linfo.li_max_ops_per_insn)
- * linfo.li_min_insn_length;
- state_machine_regs.op_index
- = (state_machine_regs.op_index + uladv)
- % linfo.li_max_ops_per_insn;
- printf (_(" Special opcode %d: advance Address by %lu to 0x%lx[%d]"),
- op_code, uladv, state_machine_regs.address,
- state_machine_regs.op_index);
- }
- adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
- state_machine_regs.line += adv;
- printf (_(" and Line by %d to %d\n"),
- adv, state_machine_regs.line);
- }
- else switch (op_code)
- {
- case DW_LNS_extended_op:
- data += process_extended_line_op (data, linfo.li_default_is_stmt);
- break;
-
- case DW_LNS_copy:
- printf (_(" Copy\n"));
- break;
-
- case DW_LNS_advance_pc:
- uladv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- if (linfo.li_max_ops_per_insn == 1)
- {
- uladv *= linfo.li_min_insn_length;
- state_machine_regs.address += uladv;
- printf (_(" Advance PC by %lu to 0x%lx\n"), uladv,
- state_machine_regs.address);
- }
- else
- {
- state_machine_regs.address
- += ((state_machine_regs.op_index + uladv)
- / linfo.li_max_ops_per_insn)
- * linfo.li_min_insn_length;
- state_machine_regs.op_index
- = (state_machine_regs.op_index + uladv)
- % linfo.li_max_ops_per_insn;
- printf (_(" Advance PC by %lu to 0x%lx[%d]\n"), uladv,
- state_machine_regs.address,
- state_machine_regs.op_index);
- }
- break;
+ unsigned int last_dir_entry = 0;
- case DW_LNS_advance_line:
- adv = read_leb128 (data, & bytes_read, 1);
- data += bytes_read;
- state_machine_regs.line += adv;
- printf (_(" Advance Line by %d to %d\n"), adv,
- state_machine_regs.line);
- break;
+ printf (_("\n The Directory Table (offset 0x%lx):\n"),
+ (long)(data - start));
- case DW_LNS_set_file:
- adv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set File Name to entry %d in the File Name Table\n"),
- adv);
- state_machine_regs.file = adv;
- break;
+ while (data < end && *data != 0)
+ {
+ printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
- case DW_LNS_set_column:
- uladv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set column to %lu\n"), uladv);
- state_machine_regs.column = uladv;
- break;
+ data += strnlen ((char *) data, end - data) + 1;
+ }
- case DW_LNS_negate_stmt:
- adv = state_machine_regs.is_stmt;
- adv = ! adv;
- printf (_(" Set is_stmt to %d\n"), adv);
- state_machine_regs.is_stmt = adv;
- break;
+ /* PR 17512: file: 002-132094-0.004. */
+ if (data >= end - 1)
+ break;
+ }
- case DW_LNS_set_basic_block:
- printf (_(" Set basic block\n"));
- state_machine_regs.basic_block = 1;
- break;
+ /* Skip the NUL at the end of the table. */
+ data++;
- case DW_LNS_const_add_pc:
- uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
- if (linfo.li_max_ops_per_insn)
- {
- uladv *= linfo.li_min_insn_length;
- state_machine_regs.address += uladv;
- printf (_(" Advance PC by constant %lu to 0x%lx\n"), uladv,
- state_machine_regs.address);
- }
+ /* Display the contents of the File Name table. */
+ if (*data == 0)
+ printf (_("\n The File Name Table is empty.\n"));
else
{
- state_machine_regs.address
- += ((state_machine_regs.op_index + uladv)
- / linfo.li_max_ops_per_insn)
- * linfo.li_min_insn_length;
- state_machine_regs.op_index
- = (state_machine_regs.op_index + uladv)
- % linfo.li_max_ops_per_insn;
- printf (_(" Advance PC by constant %lu to 0x%lx[%d]\n"),
- uladv, state_machine_regs.address,
- state_machine_regs.op_index);
+ printf (_("\n The File Name Table (offset 0x%lx):\n"),
+ (long)(data - start));
+ printf (_(" Entry\tDir\tTime\tSize\tName\n"));
+
+ while (data < end && *data != 0)
+ {
+ unsigned char *name;
+ unsigned int bytes_read;
+
+ printf (" %d\t", ++state_machine_regs.last_file_entry);
+ name = data;
+ data += strnlen ((char *) data, end - data) + 1;
+
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%s\t",
+ dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
+ data += bytes_read;
+ printf ("%.*s\n", (int)(end - name), name);
+
+ if (data == end)
+ {
+ warn (_("Corrupt file name table entry\n"));
+ break;
+ }
+ }
}
- break;
- case DW_LNS_fixed_advance_pc:
- uladv = byte_get (data, 2);
- data += 2;
- state_machine_regs.address += uladv;
- state_machine_regs.op_index = 0;
- printf (_(" Advance PC by fixed size amount %lu to 0x%lx\n"),
- uladv, state_machine_regs.address);
- break;
+ /* Skip the NUL at the end of the table. */
+ data++;
+ }
- case DW_LNS_set_prologue_end:
- printf (_(" Set prologue_end to true\n"));
- break;
+ putchar ('\n');
+ saved_linfo = linfo;
+ }
- case DW_LNS_set_epilogue_begin:
- printf (_(" Set epilogue_begin to true\n"));
- break;
+ /* Now display the statements. */
+ if (data >= end_of_sequence)
+ printf (_(" No Line Number Statements.\n"));
+ else
+ {
+ printf (_(" Line Number Statements:\n"));
- case DW_LNS_set_isa:
- uladv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set ISA to %lu\n"), uladv);
- break;
+ while (data < end_of_sequence)
+ {
+ unsigned char op_code;
+ dwarf_signed_vma adv;
+ dwarf_vma uladv;
+ unsigned int bytes_read;
- default:
- printf (_(" Unknown opcode %d with operands: "), op_code);
+ printf (" [0x%08lx]", (long)(data - start));
+
+ op_code = *data++;
- for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
+ if (op_code >= linfo.li_opcode_base)
{
- printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
- i == 1 ? "" : ", ");
- data += bytes_read;
+ op_code -= linfo.li_opcode_base;
+ uladv = (op_code / linfo.li_line_range);
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ if (uladv)
+ state_machine_regs.view = 0;
+ printf (_(" Special opcode %d: "
+ "advance Address by %s to 0x%s%s"),
+ op_code, dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ verbose_view && uladv
+ ? _(" (reset view)") : "");
+ }
+ else
+ {
+ unsigned addrdelta
+ = ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+
+ state_machine_regs.address += addrdelta;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ if (addrdelta)
+ state_machine_regs.view = 0;
+ printf (_(" Special opcode %d: "
+ "advance Address by %s to 0x%s[%d]%s"),
+ op_code, dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ state_machine_regs.op_index,
+ verbose_view && addrdelta
+ ? _(" (reset view)") : "");
+ }
+ adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
+ state_machine_regs.line += adv;
+ printf (_(" and Line by %s to %d"),
+ dwarf_vmatoa ("d", adv), state_machine_regs.line);
+ if (verbose_view || state_machine_regs.view)
+ printf (_(" (view %u)\n"), state_machine_regs.view);
+ else
+ putchar ('\n');
+ state_machine_regs.view++;
}
- putchar ('\n');
- break;
+ else switch (op_code)
+ {
+ case DW_LNS_extended_op:
+ data += process_extended_line_op (data, linfo.li_default_is_stmt, end);
+ break;
+
+ case DW_LNS_copy:
+ printf (_(" Copy"));
+ if (verbose_view || state_machine_regs.view)
+ printf (_(" (view %u)\n"), state_machine_regs.view);
+ else
+ putchar ('\n');
+ state_machine_regs.view++;
+ break;
+
+ case DW_LNS_advance_pc:
+ uladv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ if (uladv)
+ state_machine_regs.view = 0;
+ printf (_(" Advance PC by %s to 0x%s%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ verbose_view && uladv
+ ? _(" (reset view)") : "");
+ }
+ else
+ {
+ unsigned addrdelta
+ = ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.address
+ += addrdelta;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ if (addrdelta)
+ state_machine_regs.view = 0;
+ printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ state_machine_regs.op_index,
+ verbose_view && addrdelta
+ ? _(" (reset view)") : "");
+ }
+ break;
+
+ case DW_LNS_advance_line:
+ adv = read_sleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ state_machine_regs.line += adv;
+ printf (_(" Advance Line by %s to %d\n"),
+ dwarf_vmatoa ("d", adv),
+ state_machine_regs.line);
+ break;
+
+ case DW_LNS_set_file:
+ adv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ printf (_(" Set File Name to entry %s in the File Name Table\n"),
+ dwarf_vmatoa ("d", adv));
+ state_machine_regs.file = adv;
+ break;
+
+ case DW_LNS_set_column:
+ uladv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ printf (_(" Set column to %s\n"),
+ dwarf_vmatoa ("u", uladv));
+ state_machine_regs.column = uladv;
+ break;
+
+ case DW_LNS_negate_stmt:
+ adv = state_machine_regs.is_stmt;
+ adv = ! adv;
+ printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
+ state_machine_regs.is_stmt = adv;
+ break;
+
+ case DW_LNS_set_basic_block:
+ printf (_(" Set basic block\n"));
+ state_machine_regs.basic_block = 1;
+ break;
+
+ case DW_LNS_const_add_pc:
+ uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
+ if (linfo.li_max_ops_per_insn)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ if (uladv)
+ state_machine_regs.view = 0;
+ printf (_(" Advance PC by constant %s to 0x%s%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ verbose_view && uladv
+ ? _(" (reset view)") : "");
+ }
+ else
+ {
+ unsigned addrdelta
+ = ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.address
+ += addrdelta;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ if (addrdelta)
+ state_machine_regs.view = 0;
+ printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address),
+ state_machine_regs.op_index,
+ verbose_view && addrdelta
+ ? _(" (reset view)") : "");
+ }
+ break;
+
+ case DW_LNS_fixed_advance_pc:
+ SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
+ state_machine_regs.address += uladv;
+ state_machine_regs.op_index = 0;
+ printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
+ dwarf_vmatoa ("u", uladv),
+ dwarf_vmatoa ("x", state_machine_regs.address));
+ /* Do NOT reset view. */
+ break;
+
+ case DW_LNS_set_prologue_end:
+ printf (_(" Set prologue_end to true\n"));
+ break;
+
+ case DW_LNS_set_epilogue_begin:
+ printf (_(" Set epilogue_begin to true\n"));
+ break;
+
+ case DW_LNS_set_isa:
+ uladv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
+ break;
+
+ default:
+ printf (_(" Unknown opcode %d with operands: "), op_code);
+
+ if (standard_opcodes != NULL)
+ for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
+ {
+ printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
+ &bytes_read, end)),
+ i == 1 ? "" : ", ");
+ data += bytes_read;
+ }
+ putchar ('\n');
+ break;
+ }
}
+ putchar ('\n');
}
- putchar ('\n');
}
return 1;
typedef struct
{
- unsigned char *name;
- unsigned int directory_index;
- unsigned int modification_date;
- unsigned int length;
+ unsigned char *name;
+ unsigned int directory_index;
+ unsigned int modification_date;
+ unsigned int length;
} File_Entry;
/* Output a decoded representation of the .debug_line section. */
static int
-display_debug_lines_decoded (struct dwarf_section *section,
- unsigned char *data,
- unsigned char *end)
+display_debug_lines_decoded (struct dwarf_section * section,
+ unsigned char * data,
+ unsigned char * end,
+ void * fileptr)
{
- printf (_("Decoded dump of debug contents of section %s:\n\n"),
- section->name);
+ static DWARF2_Internal_LineInfo saved_linfo;
+
+ introduce (section, FALSE);
while (data < end)
{
DWARF2_Internal_LineInfo linfo;
unsigned char *standard_opcodes;
unsigned char *end_of_sequence;
- unsigned char *hdrptr;
- int initial_length_size;
- int offset_size;
int i;
File_Entry *file_table = NULL;
+ unsigned int n_files = 0;
unsigned char **directory_table = NULL;
+ dwarf_vma n_directories = 0;
- hdrptr = data;
-
- /* Extract information from the Line Number Program Header.
- (section 6.2.4 in the Dwarf3 doc). */
-
- /* Get the length of this CU's line number information block. */
- linfo.li_length = byte_get (hdrptr, 4);
- hdrptr += 4;
-
- if (linfo.li_length == 0xffffffff)
- {
- /* This section is 64-bit DWARF 3. */
- linfo.li_length = byte_get (hdrptr, 8);
- hdrptr += 8;
- offset_size = 8;
- initial_length_size = 12;
- }
- else
- {
- offset_size = 4;
- initial_length_size = 4;
- }
-
- if (linfo.li_length + initial_length_size > section->size)
- {
- warn (_("The line info appears to be corrupt - "
- "the section is too small\n"));
- return 0;
- }
-
- /* Get this CU's Line Number Block version number. */
- linfo.li_version = byte_get (hdrptr, 2);
- hdrptr += 2;
- if (linfo.li_version != 2
- && linfo.li_version != 3
- && linfo.li_version != 4)
- {
- warn (_("Only DWARF version 2, 3 and 4 line info is currently "
- "supported.\n"));
- return 0;
- }
-
- linfo.li_prologue_length = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
- linfo.li_min_insn_length = byte_get (hdrptr, 1);
- hdrptr++;
- if (linfo.li_version >= 4)
- {
- linfo.li_max_ops_per_insn = byte_get (hdrptr, 1);
- hdrptr++;
- if (linfo.li_max_ops_per_insn == 0)
+ if (const_strneq (section->name, ".debug_line.")
+ /* Note: the following does not apply to .debug_line.dwo sections.
+ These are full debug_line sections. */
+ && strcmp (section->name, ".debug_line.dwo") != 0)
+ {
+ /* See comment in display_debug_lines_raw(). */
+ end_of_sequence = end;
+ standard_opcodes = NULL;
+ linfo = saved_linfo;
+ /* PR 17531: file: 0522b371. */
+ if (linfo.li_line_range == 0)
{
- warn (_("Invalid maximum operations per insn.\n"));
+ warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
return 0;
}
+ reset_state_machine (linfo.li_default_is_stmt);
}
else
- linfo.li_max_ops_per_insn = 1;
- linfo.li_default_is_stmt = byte_get (hdrptr, 1);
- hdrptr++;
- linfo.li_line_base = byte_get (hdrptr, 1);
- hdrptr++;
- linfo.li_line_range = byte_get (hdrptr, 1);
- hdrptr++;
- linfo.li_opcode_base = byte_get (hdrptr, 1);
- hdrptr++;
-
- /* Sign extend the line base field. */
- linfo.li_line_base <<= 24;
- linfo.li_line_base >>= 24;
-
- /* Find the end of this CU's Line Number Information Block. */
- end_of_sequence = data + linfo.li_length + initial_length_size;
-
- reset_state_machine (linfo.li_default_is_stmt);
-
- /* Save a pointer to the contents of the Opcodes table. */
- standard_opcodes = hdrptr;
-
- /* Traverse the Directory table just to count entries. */
- data = standard_opcodes + linfo.li_opcode_base - 1;
- if (*data != 0)
- {
- unsigned int n_directories = 0;
- unsigned char *ptr_directory_table = data;
-
- while (*data != 0)
+ {
+ unsigned char *hdrptr;
+
+ if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
+ & end_of_sequence)) == NULL)
+ return 0;
+
+ /* PR 17531: file: 0522b371. */
+ if (linfo.li_line_range == 0)
+ {
+ warn (_("Line range of 0 is invalid, using 1 instead\n"));
+ linfo.li_line_range = 1;
+ }
+ reset_state_machine (linfo.li_default_is_stmt);
+
+ /* Save a pointer to the contents of the Opcodes table. */
+ standard_opcodes = hdrptr;
+
+ /* Traverse the Directory table just to count entries. */
+ data = standard_opcodes + linfo.li_opcode_base - 1;
+ /* PR 20440 */
+ if (data >= end)
{
- data += strlen ((char *) data) + 1;
- n_directories++;
+ warn (_("opcode base of %d extends beyond end of section\n"),
+ linfo.li_opcode_base);
+ return 0;
}
- /* Go through the directory table again to save the directories. */
- directory_table = (unsigned char **)
- xmalloc (n_directories * sizeof (unsigned char *));
-
- i = 0;
- while (*ptr_directory_table != 0)
- {
- directory_table[i] = ptr_directory_table;
- ptr_directory_table += strlen ((char *) ptr_directory_table) + 1;
- i++;
- }
- }
- /* Skip the NUL at the end of the table. */
- data++;
-
- /* Traverse the File Name table just to count the entries. */
- if (*data != 0)
- {
- unsigned int n_files = 0;
- unsigned char *ptr_file_name_table = data;
-
- while (*data != 0)
- {
+ if (linfo.li_version >= 5)
+ {
+ unsigned char *format_start, format_count, *format;
+ dwarf_vma formati, entryi;
unsigned int bytes_read;
- /* Skip Name, directory index, last modification time and length
- of file. */
- data += strlen ((char *) data) + 1;
- read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
-
- n_files++;
- }
-
- /* Go through the file table again to save the strings. */
- file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
-
- i = 0;
- while (*ptr_file_name_table != 0)
- {
- unsigned int bytes_read;
-
- file_table[i].name = ptr_file_name_table;
- ptr_file_name_table += strlen ((char *) ptr_file_name_table) + 1;
-
- /* We are not interested in directory, time or size. */
- file_table[i].directory_index = read_leb128 (ptr_file_name_table,
- & bytes_read, 0);
- ptr_file_name_table += bytes_read;
- file_table[i].modification_date = read_leb128 (ptr_file_name_table,
- & bytes_read, 0);
- ptr_file_name_table += bytes_read;
- file_table[i].length = read_leb128 (ptr_file_name_table, & bytes_read, 0);
- ptr_file_name_table += bytes_read;
- i++;
- }
- i = 0;
-
- /* Print the Compilation Unit's name and a header. */
- if (directory_table == NULL)
- {
- printf (_("CU: %s:\n"), file_table[0].name);
- printf (_("File name Line number Starting address\n"));
- }
- else
- {
- if (do_wide || strlen ((char *) directory_table[0]) < 76)
- {
- printf (_("CU: %s/%s:\n"), directory_table[0],
- file_table[0].name);
- }
- else
- {
- printf (_("%s:\n"), file_table[0].name);
- }
- printf (_("File name Line number Starting address\n"));
- }
- }
-
- /* Skip the NUL at the end of the table. */
- data++;
+ load_debug_section_with_follow (line_str, fileptr);
+
+ /* Skip directories format. */
+ SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
+ format_start = data;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ }
+
+ n_directories = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt directories list\n"));
+ break;
+ }
+
+ directory_table = (unsigned char **)
+ xmalloc (n_directories * sizeof (unsigned char *));
+
+ for (entryi = 0; entryi < n_directories; entryi++)
+ {
+ unsigned char **pathp = &directory_table[entryi];
+
+ format = format_start;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type, form;
+ dwarf_vma uvalue;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ form = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt directories list\n"));
+ break;
+ }
+ switch (content_type)
+ {
+ case DW_LNCT_path:
+ switch (form)
+ {
+ case DW_FORM_string:
+ *pathp = data;
+ break;
+ case DW_FORM_line_strp:
+ SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
+ end);
+ /* Remove const by the cast. */
+ *pathp = (unsigned char *)
+ fetch_indirect_line_string (uvalue);
+ break;
+ }
+ break;
+ }
+ data = read_and_display_attr_value (0, form, 0, data, end,
+ 0, 0,
+ linfo.li_offset_size,
+ linfo.li_version,
+ NULL, 1, section,
+ NULL, '\t');
+ }
+ if (data == end)
+ {
+ warn (_("Corrupt directories list\n"));
+ break;
+ }
+ }
+
+ /* Skip files format. */
+ SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
+ format_start = data;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ }
+
+ n_files = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt file name list\n"));
+ break;
+ }
+
+ file_table = (File_Entry *) xcalloc (1, n_files
+ * sizeof (File_Entry));
+
+ for (entryi = 0; entryi < n_files; entryi++)
+ {
+ File_Entry *file = &file_table[entryi];
+
+ format = format_start;
+ for (formati = 0; formati < format_count; formati++)
+ {
+ dwarf_vma content_type, form;
+ dwarf_vma uvalue;
+
+ content_type = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ form = read_uleb128 (format, & bytes_read, end);
+ format += bytes_read;
+ if (data == end)
+ {
+ warn (_("Corrupt file name list\n"));
+ break;
+ }
+ switch (content_type)
+ {
+ case DW_LNCT_path:
+ switch (form)
+ {
+ case DW_FORM_string:
+ file->name = data;
+ break;
+ case DW_FORM_line_strp:
+ SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
+ end);
+ /* Remove const by the cast. */
+ file->name = (unsigned char *)
+ fetch_indirect_line_string (uvalue);
+ break;
+ }
+ break;
+ case DW_LNCT_directory_index:
+ switch (form)
+ {
+ case DW_FORM_data1:
+ SAFE_BYTE_GET (file->directory_index, data, 1,
+ end);
+ break;
+ case DW_FORM_data2:
+ SAFE_BYTE_GET (file->directory_index, data, 2,
+ end);
+ break;
+ case DW_FORM_udata:
+ file->directory_index = read_uleb128 (data, NULL,
+ end);
+ break;
+ }
+ break;
+ }
+ data = read_and_display_attr_value (0, form, 0, data, end,
+ 0, 0,
+ linfo.li_offset_size,
+ linfo.li_version,
+ NULL, 1, section,
+ NULL, '\t');
+ }
+ if (data == end)
+ {
+ warn (_("Corrupt file name list\n"));
+ break;
+ }
+ }
+ }
+ else
+ {
+ if (*data != 0)
+ {
+ unsigned char *ptr_directory_table = data;
+
+ while (data < end && *data != 0)
+ {
+ data += strnlen ((char *) data, end - data) + 1;
+ n_directories++;
+ }
+
+ /* PR 20440 */
+ if (data >= end)
+ {
+ warn (_("directory table ends unexpectedly\n"));
+ n_directories = 0;
+ break;
+ }
+
+ /* Go through the directory table again to save the directories. */
+ directory_table = (unsigned char **)
+ xmalloc (n_directories * sizeof (unsigned char *));
+
+ i = 0;
+ while (*ptr_directory_table != 0)
+ {
+ directory_table[i] = ptr_directory_table;
+ ptr_directory_table += strnlen ((char *) ptr_directory_table,
+ ptr_directory_table - end) + 1;
+ i++;
+ }
+ }
+ /* Skip the NUL at the end of the table. */
+ data++;
+
+ /* Traverse the File Name table just to count the entries. */
+ if (data < end && *data != 0)
+ {
+ unsigned char *ptr_file_name_table = data;
+
+ while (data < end && *data != 0)
+ {
+ unsigned int bytes_read;
+
+ /* Skip Name, directory index, last modification time and length
+ of file. */
+ data += strnlen ((char *) data, end - data) + 1;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+
+ n_files++;
+ }
+
+ if (data >= end)
+ {
+ warn (_("file table ends unexpectedly\n"));
+ n_files = 0;
+ break;
+ }
+
+ /* Go through the file table again to save the strings. */
+ file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
+
+ i = 0;
+ while (*ptr_file_name_table != 0)
+ {
+ unsigned int bytes_read;
+
+ file_table[i].name = ptr_file_name_table;
+ ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
+ end - ptr_file_name_table) + 1;
+
+ /* We are not interested in directory, time or size. */
+ file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
+ & bytes_read, end);
+ ptr_file_name_table += bytes_read;
+ file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
+ & bytes_read, end);
+ ptr_file_name_table += bytes_read;
+ file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
+ ptr_file_name_table += bytes_read;
+ i++;
+ }
+ i = 0;
+ }
+
+ /* Skip the NUL at the end of the table. */
+ data++;
+ }
+
+ /* Print the Compilation Unit's name and a header. */
+ if (file_table == NULL)
+ ;
+ else if (directory_table == NULL)
+ printf (_("CU: %s:\n"), file_table[0].name);
+ else
+ {
+ unsigned int ix = file_table[0].directory_index;
+ const char *directory;
+
+ if (ix == 0)
+ directory = ".";
+ /* PR 20439 */
+ else if (n_directories == 0)
+ directory = _("<unknown>");
+ else if (ix > n_directories)
+ {
+ warn (_("directory index %u > number of directories %s\n"),
+ ix, dwarf_vmatoa ("u", n_directories));
+ directory = _("<corrupt>");
+ }
+ else
+ directory = (char *) directory_table[ix - 1];
+
+ if (do_wide || strlen (directory) < 76)
+ printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
+ else
+ printf ("%s:\n", file_table[0].name);
+ }
+
+ printf (_("File name Line number Starting address View Stmt\n"));
+ saved_linfo = linfo;
+ }
/* This loop iterates through the Dwarf Line Number Program. */
while (data < end_of_sequence)
- {
+ {
unsigned char op_code;
- int adv;
- unsigned long int uladv;
- unsigned int bytes_read;
- int is_special_opcode = 0;
+ int xop;
+ int adv;
+ unsigned long int uladv;
+ unsigned int bytes_read;
+ int is_special_opcode = 0;
- op_code = *data++;
+ op_code = *data++;
+ xop = op_code;
- if (op_code >= linfo.li_opcode_base)
+ if (op_code >= linfo.li_opcode_base)
{
op_code -= linfo.li_opcode_base;
uladv = (op_code / linfo.li_line_range);
{
uladv *= linfo.li_min_insn_length;
state_machine_regs.address += uladv;
+ if (uladv)
+ state_machine_regs.view = 0;
}
else
{
+ unsigned addrdelta
+ = ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
state_machine_regs.address
- += ((state_machine_regs.op_index + uladv)
- / linfo.li_max_ops_per_insn)
- * linfo.li_min_insn_length;
+ += addrdelta;
state_machine_regs.op_index
= (state_machine_regs.op_index + uladv)
- % linfo.li_max_ops_per_insn;
+ % linfo.li_max_ops_per_insn;
+ if (addrdelta)
+ state_machine_regs.view = 0;
}
- adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
- state_machine_regs.line += adv;
- is_special_opcode = 1;
- }
- else switch (op_code)
- {
- case DW_LNS_extended_op:
- {
- unsigned int ext_op_code_len;
- unsigned char ext_op_code;
- unsigned char *op_code_data = data;
-
- ext_op_code_len = read_leb128 (op_code_data, &bytes_read, 0);
- op_code_data += bytes_read;
-
- if (ext_op_code_len == 0)
- {
- warn (_("badly formed extended line op encountered!\n"));
- break;
- }
- ext_op_code_len += bytes_read;
- ext_op_code = *op_code_data++;
-
- switch (ext_op_code)
- {
- case DW_LNE_end_sequence:
- reset_state_machine (linfo.li_default_is_stmt);
- break;
- case DW_LNE_set_address:
- state_machine_regs.address =
- byte_get (op_code_data, ext_op_code_len - bytes_read - 1);
- state_machine_regs.op_index = 0;
- break;
- case DW_LNE_define_file:
- {
- unsigned int dir_index = 0;
-
- ++state_machine_regs.last_file_entry;
- op_code_data += strlen ((char *) op_code_data) + 1;
- dir_index = read_leb128 (op_code_data, & bytes_read, 0);
- op_code_data += bytes_read;
- read_leb128 (op_code_data, & bytes_read, 0);
- op_code_data += bytes_read;
- read_leb128 (op_code_data, & bytes_read, 0);
-
- printf (_("%s:\n"), directory_table[dir_index]);
- break;
- }
- default:
- printf (_("UNKNOWN: length %d\n"), ext_op_code_len - bytes_read);
- break;
- }
- data += ext_op_code_len;
- break;
- }
- case DW_LNS_copy:
- break;
-
- case DW_LNS_advance_pc:
- uladv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- if (linfo.li_max_ops_per_insn == 1)
+ adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
+ state_machine_regs.line += adv;
+ is_special_opcode = 1;
+ /* Increment view after printing this row. */
+ }
+ else switch (op_code)
+ {
+ case DW_LNS_extended_op:
+ {
+ unsigned int ext_op_code_len;
+ unsigned char ext_op_code;
+ unsigned char *op_code_data = data;
+
+ ext_op_code_len = read_uleb128 (op_code_data, &bytes_read,
+ end_of_sequence);
+ op_code_data += bytes_read;
+
+ if (ext_op_code_len == 0)
+ {
+ warn (_("Badly formed extended line op encountered!\n"));
+ break;
+ }
+ ext_op_code_len += bytes_read;
+ ext_op_code = *op_code_data++;
+ xop = ext_op_code;
+ xop = -xop;
+
+ switch (ext_op_code)
+ {
+ case DW_LNE_end_sequence:
+ /* Reset stuff after printing this row. */
+ break;
+ case DW_LNE_set_address:
+ SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
+ op_code_data,
+ ext_op_code_len - bytes_read - 1,
+ end);
+ state_machine_regs.op_index = 0;
+ state_machine_regs.view = 0;
+ break;
+ case DW_LNE_define_file:
+ {
+ file_table = (File_Entry *) xrealloc
+ (file_table, (n_files + 1) * sizeof (File_Entry));
+
+ ++state_machine_regs.last_file_entry;
+ /* Source file name. */
+ file_table[n_files].name = op_code_data;
+ op_code_data += strlen ((char *) op_code_data) + 1;
+ /* Directory index. */
+ file_table[n_files].directory_index =
+ read_uleb128 (op_code_data, & bytes_read,
+ end_of_sequence);
+ op_code_data += bytes_read;
+ /* Last modification time. */
+ file_table[n_files].modification_date =
+ read_uleb128 (op_code_data, & bytes_read,
+ end_of_sequence);
+ op_code_data += bytes_read;
+ /* File length. */
+ file_table[n_files].length =
+ read_uleb128 (op_code_data, & bytes_read,
+ end_of_sequence);
+
+ n_files++;
+ break;
+ }
+ case DW_LNE_set_discriminator:
+ case DW_LNE_HP_set_sequence:
+ /* Simply ignored. */
+ break;
+
+ default:
+ printf (_("UNKNOWN (%u): length %d\n"),
+ ext_op_code, ext_op_code_len - bytes_read);
+ break;
+ }
+ data += ext_op_code_len;
+ break;
+ }
+ case DW_LNS_copy:
+ /* Increment view after printing this row. */
+ break;
+
+ case DW_LNS_advance_pc:
+ uladv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ if (uladv)
+ state_machine_regs.view = 0;
+ }
+ else
+ {
+ unsigned addrdelta
+ = ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.address
+ += addrdelta;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ if (addrdelta)
+ state_machine_regs.view = 0;
+ }
+ break;
+
+ case DW_LNS_advance_line:
+ adv = read_sleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ state_machine_regs.line += adv;
+ break;
+
+ case DW_LNS_set_file:
+ adv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ state_machine_regs.file = adv;
+
+ {
+ unsigned file = state_machine_regs.file - 1;
+ unsigned dir;
+
+ if (file_table == NULL || n_files == 0)
+ printf (_("\n [Use file table entry %d]\n"), file);
+ /* PR 20439 */
+ else if (file >= n_files)
+ {
+ warn (_("file index %u > number of files %u\n"), file + 1, n_files);
+ printf (_("\n <over large file table index %u>"), file);
+ }
+ else if ((dir = file_table[file].directory_index) == 0)
+ /* If directory index is 0, that means current directory. */
+ printf ("\n./%s:[++]\n", file_table[file].name);
+ else if (directory_table == NULL || n_directories == 0)
+ printf (_("\n [Use file %s in directory table entry %d]\n"),
+ file_table[file].name, dir);
+ /* PR 20439 */
+ else if (dir > n_directories)
+ {
+ warn (_("directory index %u > number of directories %s\n"),
+ dir, dwarf_vmatoa ("u", n_directories));
+ printf (_("\n <over large directory table entry %u>\n"), dir);
+ }
+ else
+ printf ("\n%s/%s:\n",
+ /* The directory index starts counting at 1. */
+ directory_table[dir - 1], file_table[file].name);
+ }
+ break;
+
+ case DW_LNS_set_column:
+ uladv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ state_machine_regs.column = uladv;
+ break;
+
+ case DW_LNS_negate_stmt:
+ adv = state_machine_regs.is_stmt;
+ adv = ! adv;
+ state_machine_regs.is_stmt = adv;
+ break;
+
+ case DW_LNS_set_basic_block:
+ state_machine_regs.basic_block = 1;
+ break;
+
+ case DW_LNS_const_add_pc:
+ uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
+ if (linfo.li_max_ops_per_insn == 1)
+ {
+ uladv *= linfo.li_min_insn_length;
+ state_machine_regs.address += uladv;
+ if (uladv)
+ state_machine_regs.view = 0;
+ }
+ else
+ {
+ unsigned addrdelta
+ = ((state_machine_regs.op_index + uladv)
+ / linfo.li_max_ops_per_insn)
+ * linfo.li_min_insn_length;
+ state_machine_regs.address
+ += addrdelta;
+ state_machine_regs.op_index
+ = (state_machine_regs.op_index + uladv)
+ % linfo.li_max_ops_per_insn;
+ if (addrdelta)
+ state_machine_regs.view = 0;
+ }
+ break;
+
+ case DW_LNS_fixed_advance_pc:
+ SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
+ state_machine_regs.address += uladv;
+ state_machine_regs.op_index = 0;
+ /* Do NOT reset view. */
+ break;
+
+ case DW_LNS_set_prologue_end:
+ break;
+
+ case DW_LNS_set_epilogue_begin:
+ break;
+
+ case DW_LNS_set_isa:
+ uladv = read_uleb128 (data, & bytes_read, end);
+ data += bytes_read;
+ printf (_(" Set ISA to %lu\n"), uladv);
+ break;
+
+ default:
+ printf (_(" Unknown opcode %d with operands: "), op_code);
+
+ if (standard_opcodes != NULL)
+ for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
+ {
+ printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
+ &bytes_read, end)),
+ i == 1 ? "" : ", ");
+ data += bytes_read;
+ }
+ putchar ('\n');
+ break;
+ }
+
+ /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
+ to the DWARF address/line matrix. */
+ if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
+ || (xop == DW_LNS_copy))
+ {
+ const unsigned int MAX_FILENAME_LENGTH = 35;
+ char *fileName;
+ char *newFileName = NULL;
+ size_t fileNameLength;
+
+ if (file_table)
{
- uladv *= linfo.li_min_insn_length;
- state_machine_regs.address += uladv;
+ unsigned indx = state_machine_regs.file - 1;
+ /* PR 20439 */
+ if (indx >= n_files)
+ {
+ warn (_("corrupt file index %u encountered\n"), indx);
+ fileName = _("<corrupt>");
+ }
+ else
+ fileName = (char *) file_table[indx].name;
}
else
+ fileName = _("<unknown>");
+
+ fileNameLength = strlen (fileName);
+
+ if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
{
- state_machine_regs.address
- += ((state_machine_regs.op_index + uladv)
- / linfo.li_max_ops_per_insn)
- * linfo.li_min_insn_length;
- state_machine_regs.op_index
- = (state_machine_regs.op_index + uladv)
- % linfo.li_max_ops_per_insn;
- }
- break;
-
- case DW_LNS_advance_line:
- adv = read_leb128 (data, & bytes_read, 1);
- data += bytes_read;
- state_machine_regs.line += adv;
- break;
-
- case DW_LNS_set_file:
- adv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- state_machine_regs.file = adv;
- if (file_table[state_machine_regs.file - 1].directory_index == 0)
- {
- /* If directory index is 0, that means current directory. */
- printf (_("\n./%s:[++]\n"),
- file_table[state_machine_regs.file - 1].name);
- }
- else
- {
- /* The directory index starts counting at 1. */
- printf (_("\n%s/%s:\n"),
- directory_table[file_table[state_machine_regs.file - 1].directory_index - 1],
- file_table[state_machine_regs.file - 1].name);
- }
- break;
-
- case DW_LNS_set_column:
- uladv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- state_machine_regs.column = uladv;
- break;
-
- case DW_LNS_negate_stmt:
- adv = state_machine_regs.is_stmt;
- adv = ! adv;
- state_machine_regs.is_stmt = adv;
- break;
-
- case DW_LNS_set_basic_block:
- state_machine_regs.basic_block = 1;
- break;
-
- case DW_LNS_const_add_pc:
- uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
- if (linfo.li_max_ops_per_insn == 1)
- {
- uladv *= linfo.li_min_insn_length;
- state_machine_regs.address += uladv;
+ newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
+ /* Truncate file name */
+ strncpy (newFileName,
+ fileName + fileNameLength - MAX_FILENAME_LENGTH,
+ MAX_FILENAME_LENGTH + 1);
}
else
{
- state_machine_regs.address
- += ((state_machine_regs.op_index + uladv)
- / linfo.li_max_ops_per_insn)
- * linfo.li_min_insn_length;
- state_machine_regs.op_index
- = (state_machine_regs.op_index + uladv)
- % linfo.li_max_ops_per_insn;
+ newFileName = (char *) xmalloc (fileNameLength + 1);
+ strncpy (newFileName, fileName, fileNameLength + 1);
}
- break;
-
- case DW_LNS_fixed_advance_pc:
- uladv = byte_get (data, 2);
- data += 2;
- state_machine_regs.address += uladv;
- state_machine_regs.op_index = 0;
- break;
-
- case DW_LNS_set_prologue_end:
- break;
-
- case DW_LNS_set_epilogue_begin:
- break;
-
- case DW_LNS_set_isa:
- uladv = read_leb128 (data, & bytes_read, 0);
- data += bytes_read;
- printf (_(" Set ISA to %lu\n"), uladv);
- break;
-
- default:
- printf (_(" Unknown opcode %d with operands: "), op_code);
-
- for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
- {
- printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
- i == 1 ? "" : ", ");
- data += bytes_read;
- }
- putchar ('\n');
- break;
- }
-
- /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
- to the DWARF address/line matrix. */
- if ((is_special_opcode) || (op_code == DW_LNE_end_sequence)
- || (op_code == DW_LNS_copy))
- {
- const unsigned int MAX_FILENAME_LENGTH = 35;
- char *fileName = (char *)file_table[state_machine_regs.file - 1].name;
- char *newFileName = NULL;
- size_t fileNameLength = strlen (fileName);
-
- if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
- {
- newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
- /* Truncate file name */
- strncpy (newFileName,
- fileName + fileNameLength - MAX_FILENAME_LENGTH,
- MAX_FILENAME_LENGTH + 1);
- }
- else
- {
- newFileName = (char *) xmalloc (fileNameLength + 1);
- strncpy (newFileName, fileName, fileNameLength + 1);
- }
-
- if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
- {
+
+ if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
+ {
if (linfo.li_max_ops_per_insn == 1)
- printf (_("%-35s %11d %#18lx\n"), newFileName,
- state_machine_regs.line,
+ printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
+ newFileName, state_machine_regs.line,
state_machine_regs.address);
else
- printf (_("%-35s %11d %#18lx[%d]\n"), newFileName,
- state_machine_regs.line,
+ printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
+ newFileName, state_machine_regs.line,
state_machine_regs.address,
state_machine_regs.op_index);
- }
- else
- {
+ }
+ else
+ {
if (linfo.li_max_ops_per_insn == 1)
- printf (_("%s %11d %#18lx\n"), newFileName,
- state_machine_regs.line,
+ printf ("%s %11d %#18" DWARF_VMA_FMT "x",
+ newFileName, state_machine_regs.line,
state_machine_regs.address);
else
- printf (_("%s %11d %#18lx[%d]\n"), newFileName,
- state_machine_regs.line,
+ printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
+ newFileName, state_machine_regs.line,
state_machine_regs.address,
state_machine_regs.op_index);
- }
+ }
- if (op_code == DW_LNE_end_sequence)
- printf ("\n");
+ if (state_machine_regs.view)
+ printf (" %6u", state_machine_regs.view);
+ else
+ printf (" ");
+
+ if (state_machine_regs.is_stmt)
+ printf (" x");
+
+ putchar ('\n');
+ state_machine_regs.view++;
+
+ if (xop == -DW_LNE_end_sequence)
+ {
+ reset_state_machine (linfo.li_default_is_stmt);
+ putchar ('\n');
+ }
+
+ free (newFileName);
+ }
+ }
+
+ if (file_table)
+ {
+ free (file_table);
+ file_table = NULL;
+ n_files = 0;
+ }
+
+ if (directory_table)
+ {
+ free (directory_table);
+ directory_table = NULL;
+ n_directories = 0;
+ }
- free (newFileName);
- }
- }
- free (file_table);
- file_table = NULL;
- free (directory_table);
- directory_table = NULL;
putchar ('\n');
}
}
static int
-display_debug_lines (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
+display_debug_lines (struct dwarf_section *section, void *file)
{
unsigned char *data = section->start;
unsigned char *end = data + section->size;
do_debug_lines |= FLAG_DEBUG_LINES_RAW;
if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
- retValRaw = display_debug_lines_raw (section, data, end);
+ retValRaw = display_debug_lines_raw (section, data, end, file);
if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
- retValDecoded = display_debug_lines_decoded (section, data, end);
+ retValDecoded = display_debug_lines_decoded (section, data, end, file);
if (!retValRaw || !retValDecoded)
return 0;
return NULL;
}
+static const char *
+get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
+{
+ /* See gdb/gdb-index.h. */
+ static const char * const kinds[] =
+ {
+ N_ ("no info"),
+ N_ ("type"),
+ N_ ("variable"),
+ N_ ("function"),
+ N_ ("other"),
+ N_ ("unused5"),
+ N_ ("unused6"),
+ N_ ("unused7")
+ };
+
+ return _ (kinds[kind]);
+}
+
static int
-display_debug_pubnames (struct dwarf_section *section,
- void *file ATTRIBUTE_UNUSED)
+display_debug_pubnames_worker (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED,
+ int is_gnu)
{
DWARF2_Internal_PubNames names;
unsigned char *start = section->start;
we test for that later on. */
load_debug_info (file);
- printf (_("Contents of the %s section:\n\n"), section->name);
+ introduce (section, FALSE);
while (start < end)
{
unsigned char *data;
- unsigned long offset;
- int offset_size, initial_length_size;
-
- data = start;
+ unsigned long sec_off;
+ unsigned int offset_size, initial_length_size;
- names.pn_length = byte_get (data, 4);
- data += 4;
+ SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
if (names.pn_length == 0xffffffff)
{
- names.pn_length = byte_get (data, 8);
- data += 8;
+ SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
offset_size = 8;
initial_length_size = 12;
}
initial_length_size = 4;
}
- names.pn_version = byte_get (data, 2);
- data += 2;
+ sec_off = start - section->start;
+ if (sec_off + names.pn_length < sec_off
+ || sec_off + names.pn_length > section->size)
+ {
+ warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
+ section->name,
+ sec_off - initial_length_size,
+ dwarf_vmatoa ("x", names.pn_length));
+ break;
+ }
+
+ data = start;
+ start += names.pn_length;
- names.pn_offset = byte_get (data, offset_size);
- data += offset_size;
+ SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
+ SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
&& num_debug_info_entries > 0
&& find_debug_info_for_offset (names.pn_offset) == NULL)
warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
- names.pn_offset, section->name);
+ (unsigned long) names.pn_offset, section->name);
- names.pn_size = byte_get (data, offset_size);
- data += offset_size;
+ SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
- start += names.pn_length + initial_length_size;
+ printf (_(" Length: %ld\n"),
+ (long) names.pn_length);
+ printf (_(" Version: %d\n"),
+ names.pn_version);
+ printf (_(" Offset into .debug_info section: 0x%lx\n"),
+ (unsigned long) names.pn_offset);
+ printf (_(" Size of area in .debug_info section: %ld\n"),
+ (long) names.pn_size);
if (names.pn_version != 2 && names.pn_version != 3)
{
continue;
}
- printf (_(" Length: %ld\n"),
- names.pn_length);
- printf (_(" Version: %d\n"),
- names.pn_version);
- printf (_(" Offset into .debug_info section: 0x%lx\n"),
- names.pn_offset);
- printf (_(" Size of area in .debug_info section: %ld\n"),
- names.pn_size);
-
- printf (_("\n Offset\tName\n"));
+ if (is_gnu)
+ printf (_("\n Offset Kind Name\n"));
+ else
+ printf (_("\n Offset\tName\n"));
- do
+ while (1)
{
- offset = byte_get (data, offset_size);
+ bfd_size_type maxprint;
+ dwarf_vma offset;
- if (offset != 0)
- {
- data += offset_size;
- printf (" %-6lx\t%s\n", offset, data);
- data += strlen ((char *) data) + 1;
- }
+ SAFE_BYTE_GET (offset, data, offset_size, end);
+
+ if (offset == 0)
+ break;
+
+ data += offset_size;
+ if (data >= end)
+ break;
+ maxprint = (end - data) - 1;
+
+ if (is_gnu)
+ {
+ unsigned int kind_data;
+ gdb_index_symbol_kind kind;
+ const char *kind_name;
+ int is_static;
+
+ SAFE_BYTE_GET (kind_data, data, 1, end);
+ data++;
+ maxprint --;
+ /* GCC computes the kind as the upper byte in the CU index
+ word, and then right shifts it by the CU index size.
+ Left shift KIND to where the gdb-index.h accessor macros
+ can use it. */
+ kind_data <<= GDB_INDEX_CU_BITSIZE;
+ kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
+ kind_name = get_gdb_index_symbol_kind_name (kind);
+ is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
+ printf (" %-6lx %s,%-10s %.*s\n",
+ (unsigned long) offset, is_static ? _("s") : _("g"),
+ kind_name, (int) maxprint, data);
+ }
+ else
+ printf (" %-6lx\t%.*s\n",
+ (unsigned long) offset, (int) maxprint, data);
+
+ data += strnlen ((char *) data, maxprint) + 1;
+ if (data >= end)
+ break;
}
- while (offset != 0);
}
printf ("\n");
return 1;
}
+static int
+display_debug_pubnames (struct dwarf_section *section, void *file)
+{
+ return display_debug_pubnames_worker (section, file, 0);
+}
+
+static int
+display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
+{
+ return display_debug_pubnames_worker (section, file, 1);
+}
+
static int
display_debug_macinfo (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
unsigned int bytes_read;
enum dwarf_macinfo_record_type op;
- printf (_("Contents of the %s section:\n\n"), section->name);
+ introduce (section, FALSE);
while (curr < end)
{
unsigned int lineno;
- const char *string;
+ const unsigned char *string;
op = (enum dwarf_macinfo_record_type) *curr;
curr++;
{
unsigned int filenum;
- lineno = read_leb128 (curr, & bytes_read, 0);
+ lineno = read_uleb128 (curr, & bytes_read, end);
curr += bytes_read;
- filenum = read_leb128 (curr, & bytes_read, 0);
+ filenum = read_uleb128 (curr, & bytes_read, end);
curr += bytes_read;
printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
break;
case DW_MACINFO_define:
- lineno = read_leb128 (curr, & bytes_read, 0);
+ lineno = read_uleb128 (curr, & bytes_read, end);
curr += bytes_read;
- string = (char *) curr;
- curr += strlen (string) + 1;
+ string = curr;
+ curr += strnlen ((char *) string, end - string) + 1;
printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
lineno, string);
break;
case DW_MACINFO_undef:
- lineno = read_leb128 (curr, & bytes_read, 0);
+ lineno = read_uleb128 (curr, & bytes_read, end);
curr += bytes_read;
- string = (char *) curr;
- curr += strlen (string) + 1;
+ string = curr;
+ curr += strnlen ((char *) string, end - string) + 1;
printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
lineno, string);
break;
{
unsigned int constant;
- constant = read_leb128 (curr, & bytes_read, 0);
+ constant = read_uleb128 (curr, & bytes_read, end);
curr += bytes_read;
- string = (char *) curr;
- curr += strlen (string) + 1;
+ string = curr;
+ curr += strnlen ((char *) string, end - string) + 1;
printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
constant, string);
}
return 1;
}
-static int
-display_debug_abbrev (struct dwarf_section *section,
- void *file ATTRIBUTE_UNUSED)
+/* Given LINE_OFFSET into the .debug_line section, attempt to return
+ filename and dirname corresponding to file name table entry with index
+ FILEIDX. Return NULL on failure. */
+
+static unsigned char *
+get_line_filename_and_dirname (dwarf_vma line_offset,
+ dwarf_vma fileidx,
+ unsigned char **dir_name)
{
- abbrev_entry *entry;
- unsigned char *start = section->start;
- unsigned char *end = start + section->size;
+ struct dwarf_section *section = &debug_displays [line].section;
+ unsigned char *hdrptr, *dirtable, *file_name;
+ unsigned int offset_size, initial_length_size;
+ unsigned int version, opcode_base, bytes_read;
+ dwarf_vma length, diridx;
+ const unsigned char * end;
+
+ *dir_name = NULL;
+ if (section->start == NULL
+ || line_offset >= section->size
+ || fileidx == 0)
+ return NULL;
- printf (_("Contents of the %s section:\n\n"), section->name);
+ hdrptr = section->start + line_offset;
+ end = section->start + section->size;
- do
+ SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
+ if (length == 0xffffffff)
{
- free_abbrevs ();
-
- start = process_abbrev_section (start, end);
-
- if (first_abbrev == NULL)
- continue;
+ /* This section is 64-bit DWARF 3. */
+ SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+ if (length + initial_length_size < length
+ || length + initial_length_size > section->size)
+ return NULL;
- printf (_(" Number TAG\n"));
+ SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
+ if (version != 2 && version != 3 && version != 4)
+ return NULL;
+ hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
+ if (version >= 4)
+ hdrptr++; /* Skip max_ops_per_insn. */
+ hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
- for (entry = first_abbrev; entry; entry = entry->next)
- {
- abbrev_attr *attr;
+ SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
+ if (opcode_base == 0)
+ return NULL;
- printf (_(" %ld %s [%s]\n"),
- entry->entry,
- get_TAG_name (entry->tag),
- entry->children ? _("has children") : _("no children"));
+ hdrptr += opcode_base - 1;
+ if (hdrptr >= end)
+ return NULL;
- for (attr = entry->first_attr; attr; attr = attr->next)
- printf (_(" %-18s %s\n"),
- get_AT_name (attr->attribute),
- get_FORM_name (attr->form));
- }
+ dirtable = hdrptr;
+ /* Skip over dirname table. */
+ while (*hdrptr != '\0')
+ {
+ hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
+ if (hdrptr >= end)
+ return NULL;
}
- while (start);
+ hdrptr++; /* Skip the NUL at the end of the table. */
- printf ("\n");
+ /* Now skip over preceding filename table entries. */
+ for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
+ {
+ hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
+ read_uleb128 (hdrptr, &bytes_read, end);
+ hdrptr += bytes_read;
+ read_uleb128 (hdrptr, &bytes_read, end);
+ hdrptr += bytes_read;
+ read_uleb128 (hdrptr, &bytes_read, end);
+ hdrptr += bytes_read;
+ }
+ if (hdrptr >= end || *hdrptr == '\0')
+ return NULL;
- return 1;
+ file_name = hdrptr;
+ hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
+ if (hdrptr >= end)
+ return NULL;
+ diridx = read_uleb128 (hdrptr, &bytes_read, end);
+ if (diridx == 0)
+ return file_name;
+ for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
+ dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
+ if (dirtable >= end || *dirtable == '\0')
+ return NULL;
+ *dir_name = dirtable;
+ return file_name;
}
static int
-display_debug_loc (struct dwarf_section *section, void *file)
+display_debug_macro (struct dwarf_section *section,
+ void *file)
{
unsigned char *start = section->start;
- unsigned char *section_end;
- unsigned long bytes;
- unsigned char *section_begin = start;
- unsigned int num_loc_list = 0;
- unsigned long last_offset = 0;
- unsigned int first = 0;
- unsigned int i;
- unsigned int j;
- int seen_first_offset = 0;
- int use_debug_info = 1;
- unsigned char *next;
-
- bytes = section->size;
- section_end = start + bytes;
+ unsigned char *end = start + section->size;
+ unsigned char *curr = start;
+ unsigned char *extended_op_buf[256];
+ unsigned int bytes_read;
- if (bytes == 0)
- {
- printf (_("\nThe %s section is empty.\n"), section->name);
- return 0;
- }
+ load_debug_section_with_follow (str, file);
+ load_debug_section_with_follow (line, file);
- if (load_debug_info (file) == 0)
- {
- warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
- section->name);
- return 0;
- }
+ introduce (section, FALSE);
- /* Check the order of location list in .debug_info section. If
- offsets of location lists are in the ascending order, we can
- use `debug_information' directly. */
- for (i = 0; i < num_debug_info_entries; i++)
+ while (curr < end)
{
- unsigned int num;
-
- num = debug_information [i].num_loc_offsets;
- num_loc_list += num;
+ unsigned int lineno, version, flags;
+ unsigned int offset_size = 4;
+ const unsigned char *string;
+ dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
+ unsigned char **extended_ops = NULL;
+
+ SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
+ if (version != 4 && version != 5)
+ {
+ error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
+ section->name);
+ return 0;
+ }
- /* Check if we can use `debug_information' directly. */
- if (use_debug_info && num != 0)
+ SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
+ if (flags & 1)
+ offset_size = 8;
+ printf (_(" Offset: 0x%lx\n"),
+ (unsigned long) sec_offset);
+ printf (_(" Version: %d\n"), version);
+ printf (_(" Offset size: %d\n"), offset_size);
+ if (flags & 2)
{
- if (!seen_first_offset)
- {
- /* This is the first location list. */
- last_offset = debug_information [i].loc_offsets [0];
- first = i;
- seen_first_offset = 1;
- j = 1;
- }
- else
- j = 0;
+ SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
+ printf (_(" Offset into .debug_line: 0x%lx\n"),
+ (unsigned long) line_offset);
+ }
+ if (flags & 4)
+ {
+ unsigned int i, count, op;
+ dwarf_vma nargs, n;
- for (; j < num; j++)
+ SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
+
+ memset (extended_op_buf, 0, sizeof (extended_op_buf));
+ extended_ops = extended_op_buf;
+ if (count)
{
- if (last_offset >
- debug_information [i].loc_offsets [j])
+ printf (_(" Extension opcode arguments:\n"));
+ for (i = 0; i < count; i++)
{
- use_debug_info = 0;
- break;
+ SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
+ extended_ops[op] = curr;
+ nargs = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ if (nargs == 0)
+ printf (_(" DW_MACRO_%02x has no arguments\n"), op);
+ else
+ {
+ printf (_(" DW_MACRO_%02x arguments: "), op);
+ for (n = 0; n < nargs; n++)
+ {
+ unsigned int form;
+
+ SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
+ printf ("%s%s", get_FORM_name (form),
+ n == nargs - 1 ? "\n" : ", ");
+ switch (form)
+ {
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_sdata:
+ case DW_FORM_udata:
+ case DW_FORM_block:
+ case DW_FORM_block1:
+ case DW_FORM_block2:
+ case DW_FORM_block4:
+ case DW_FORM_flag:
+ case DW_FORM_string:
+ case DW_FORM_strp:
+ case DW_FORM_sec_offset:
+ break;
+ default:
+ error (_("Invalid extension opcode form %s\n"),
+ get_FORM_name (form));
+ return 0;
+ }
+ }
+ }
}
- last_offset = debug_information [i].loc_offsets [j];
}
}
- }
-
- if (!use_debug_info)
- /* FIXME: Should we handle this case? */
- error (_("Location lists in .debug_info section aren't in ascending order!\n"));
-
- if (!seen_first_offset)
- error (_("No location lists in .debug_info section!\n"));
-
- /* DWARF sections under Mach-O have non-zero addresses. */
- if (debug_information [first].num_loc_offsets > 0
- && debug_information [first].loc_offsets [0] != section->address)
- warn (_("Location lists in %s section start at 0x%lx\n"),
- section->name, debug_information [first].loc_offsets [0]);
-
- printf (_("Contents of the %s section:\n\n"), section->name);
- printf (_(" Offset Begin End Expression\n"));
-
- seen_first_offset = 0;
- for (i = first; i < num_debug_info_entries; i++)
- {
- dwarf_vma begin;
- dwarf_vma end;
- unsigned short length;
- unsigned long offset;
- unsigned int pointer_size;
- unsigned int offset_size;
- int dwarf_version;
- unsigned long cu_offset;
- unsigned long base_address;
- int need_frame_base;
- int has_frame_base;
-
- pointer_size = debug_information [i].pointer_size;
- cu_offset = debug_information [i].cu_offset;
- offset_size = debug_information [i].offset_size;
- dwarf_version = debug_information [i].dwarf_version;
+ printf ("\n");
- for (j = 0; j < debug_information [i].num_loc_offsets; j++)
+ while (1)
{
- has_frame_base = debug_information [i].have_frame_base [j];
- /* DWARF sections under Mach-O have non-zero addresses. */
- offset = debug_information [i].loc_offsets [j] - section->address;
- next = section_begin + offset;
- base_address = debug_information [i].base_address;
+ unsigned int op;
- if (!seen_first_offset)
- seen_first_offset = 1;
- else
+ if (curr >= end)
{
- if (start < next)
- warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
- (unsigned long) (start - section_begin),
- (unsigned long) (next - section_begin));
- else if (start > next)
- warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
- (unsigned long) (start - section_begin),
- (unsigned long) (next - section_begin));
+ error (_(".debug_macro section not zero terminated\n"));
+ return 0;
}
- start = next;
- if (offset >= bytes)
- {
- warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
- offset);
- continue;
- }
+ SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
+ if (op == 0)
+ break;
- while (1)
+ switch (op)
{
- if (start + 2 * pointer_size > section_end)
- {
- warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
- break;
- }
-
- /* Note: we use sign extension here in order to be sure that
- we can detect the -1 escape value. Sign extension into the
- top 32 bits of a 32-bit address will not affect the values
- that we display since we always show hex values, and always
- the bottom 32-bits. */
- begin = byte_get_signed (start, pointer_size);
- start += pointer_size;
- end = byte_get_signed (start, pointer_size);
- start += pointer_size;
-
- printf (" %8.8lx ", offset);
-
- if (begin == 0 && end == 0)
- {
- printf (_("<End of list>\n"));
- break;
- }
+ case DW_MACRO_start_file:
+ {
+ unsigned int filenum;
+ unsigned char *file_name = NULL, *dir_name = NULL;
+
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ filenum = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+
+ if ((flags & 2) == 0)
+ error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
+ else
+ file_name
+ = get_line_filename_and_dirname (line_offset, filenum,
+ &dir_name);
+ if (file_name == NULL)
+ printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
+ lineno, filenum);
+ else
+ printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
+ lineno, filenum,
+ dir_name != NULL ? (const char *) dir_name : "",
+ dir_name != NULL ? "/" : "", file_name);
+ }
+ break;
- /* Check base address specifiers. */
- if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1)
- {
- base_address = end;
- print_dwarf_vma (begin, pointer_size);
- print_dwarf_vma (end, pointer_size);
- printf (_("(base address)\n"));
- continue;
- }
+ case DW_MACRO_end_file:
+ printf (_(" DW_MACRO_end_file\n"));
+ break;
- if (start + 2 > section_end)
- {
- warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
- break;
- }
+ case DW_MACRO_define:
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ string = curr;
+ curr += strnlen ((char *) string, end - string) + 1;
+ printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
- length = byte_get (start, 2);
- start += 2;
+ case DW_MACRO_undef:
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ string = curr;
+ curr += strnlen ((char *) string, end - string) + 1;
+ printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
- if (start + length > section_end)
- {
- warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
- offset);
- break;
- }
+ case DW_MACRO_define_strp:
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
- print_dwarf_vma (begin + base_address, pointer_size);
- print_dwarf_vma (end + base_address, pointer_size);
+ case DW_MACRO_undef_strp:
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
+ string = fetch_indirect_string (offset);
+ printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
+ lineno, string);
+ break;
- putchar ('(');
- need_frame_base = decode_location_expression (start,
- pointer_size,
- offset_size,
- dwarf_version,
- length,
- cu_offset, section);
- putchar (')');
+ case DW_MACRO_import:
+ SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
+ printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
+ (unsigned long) offset);
+ break;
- if (need_frame_base && !has_frame_base)
- printf (_(" [without DW_AT_frame_base]"));
+ case DW_MACRO_define_sup:
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
+ printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
+ lineno, (unsigned long) offset);
+ break;
- if (begin == end)
- fputs (_(" (start == end)"), stdout);
- else if (begin > end)
- fputs (_(" (start > end)"), stdout);
+ case DW_MACRO_undef_sup:
+ lineno = read_uleb128 (curr, &bytes_read, end);
+ curr += bytes_read;
+ SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
+ printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
+ lineno, (unsigned long) offset);
+ break;
- putchar ('\n');
+ case DW_MACRO_import_sup:
+ SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
+ printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
+ (unsigned long) offset);
+ break;
- start += length;
+ default:
+ if (extended_ops == NULL || extended_ops[op] == NULL)
+ {
+ error (_(" Unknown macro opcode %02x seen\n"), op);
+ return 0;
+ }
+ else
+ {
+ /* Skip over unhandled opcodes. */
+ dwarf_vma nargs, n;
+ unsigned char *desc = extended_ops[op];
+ nargs = read_uleb128 (desc, &bytes_read, end);
+ desc += bytes_read;
+ if (nargs == 0)
+ {
+ printf (_(" DW_MACRO_%02x\n"), op);
+ break;
+ }
+ printf (_(" DW_MACRO_%02x -"), op);
+ for (n = 0; n < nargs; n++)
+ {
+ int val;
+
+ /* DW_FORM_implicit_const is not expected here. */
+ SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
+ curr
+ = read_and_display_attr_value (0, val, 0,
+ curr, end, 0, 0, offset_size,
+ version, NULL, 0, NULL,
+ NULL, ' ');
+ if (n != nargs - 1)
+ printf (",");
+ }
+ printf ("\n");
+ }
+ break;
}
}
+
+ printf ("\n");
}
- if (start < section_end)
- warn (_("There are %ld unused bytes at the end of section %s\n"),
- (long) (section_end - start), section->name);
- putchar ('\n');
return 1;
}
static int
-display_debug_str (struct dwarf_section *section,
- void *file ATTRIBUTE_UNUSED)
+display_debug_abbrev (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
{
+ abbrev_entry *entry;
unsigned char *start = section->start;
- unsigned long bytes = section->size;
- dwarf_vma addr = section->address;
+ unsigned char *end = start + section->size;
- if (bytes == 0)
+ introduce (section, FALSE);
+
+ do
{
- printf (_("\nThe %s section is empty.\n"), section->name);
- return 0;
- }
+ unsigned char *last;
- printf (_("Contents of the %s section:\n\n"), section->name);
+ free_abbrevs ();
- while (bytes)
- {
- int j;
- int k;
- int lbytes;
+ last = start;
+ start = process_abbrev_section (start, end);
- lbytes = (bytes > 16 ? 16 : bytes);
+ if (first_abbrev == NULL)
+ continue;
- printf (" 0x%8.8lx ", (unsigned long) addr);
+ printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
- for (j = 0; j < 16; j++)
+ for (entry = first_abbrev; entry; entry = entry->next)
{
- if (j < lbytes)
- printf ("%2.2x", start[j]);
- else
- printf (" ");
+ abbrev_attr *attr;
- if ((j & 3) == 3)
- printf (" ");
- }
+ printf (" %ld %s [%s]\n",
+ entry->entry,
+ get_TAG_name (entry->tag),
+ entry->children ? _("has children") : _("no children"));
- for (j = 0; j < lbytes; j++)
- {
- k = start[j];
- if (k >= ' ' && k < 0x80)
- printf ("%c", k);
- else
- printf (".");
+ for (attr = entry->first_attr; attr; attr = attr->next)
+ {
+ printf (" %-18s %s",
+ get_AT_name (attr->attribute),
+ get_FORM_name (attr->form));
+ if (attr->form == DW_FORM_implicit_const)
+ printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
+ putchar ('\n');
+ }
}
+ }
+ while (start);
- putchar ('\n');
-
- start += lbytes;
- addr += lbytes;
- bytes -= lbytes;
- }
-
- putchar ('\n');
+ printf ("\n");
return 1;
}
-static int
-display_debug_info (struct dwarf_section *section, void *file)
-{
- return process_debug_info (section, file, abbrev, 0, 0);
-}
+/* Return true when ADDR is the maximum address, when addresses are
+ POINTER_SIZE bytes long. */
-static int
-display_debug_types (struct dwarf_section *section, void *file)
+static bfd_boolean
+is_max_address (dwarf_vma addr, unsigned int pointer_size)
{
- return process_debug_info (section, file, abbrev, 0, 1);
+ dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
+ return ((addr & mask) == mask);
}
-static int
-display_trace_info (struct dwarf_section *section, void *file)
-{
- return process_debug_info (section, file, trace_abbrev, 0, 0);
-}
+/* Display a view pair list starting at *VSTART_PTR and ending at
+ VLISTEND within SECTION. */
-static int
-display_debug_aranges (struct dwarf_section *section,
- void *file ATTRIBUTE_UNUSED)
+static void
+display_view_pair_list (struct dwarf_section *section,
+ unsigned char **vstart_ptr,
+ unsigned int debug_info_entry,
+ unsigned char *vlistend)
{
- unsigned char *start = section->start;
- unsigned char *end = start + section->size;
+ unsigned char *vstart = *vstart_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
- printf (_("Contents of the %s section:\n\n"), section->name);
+ if (vlistend < section_end)
+ section_end = vlistend;
- /* It does not matter if this load fails,
- we test for that later on. */
- load_debug_info (file);
+ putchar ('\n');
- while (start < end)
+ while (vstart < section_end)
{
- unsigned char *hdrptr;
- DWARF2_Internal_ARange arange;
- unsigned char *addr_ranges;
- dwarf_vma length;
- dwarf_vma address;
- unsigned char address_size;
- int excess;
- int offset_size;
- int initial_length_size;
-
- hdrptr = start;
-
- arange.ar_length = byte_get (hdrptr, 4);
- hdrptr += 4;
+ dwarf_vma off = vstart - section->start;
+ dwarf_vma vbegin, vend;
- if (arange.ar_length == 0xffffffff)
- {
- arange.ar_length = byte_get (hdrptr, 8);
- hdrptr += 8;
- offset_size = 8;
- initial_length_size = 12;
- }
- else
+ unsigned int bytes_read;
+ vbegin = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ if (vstart == section_end)
{
- offset_size = 4;
- initial_length_size = 4;
+ vstart -= bytes_read;
+ break;
}
- arange.ar_version = byte_get (hdrptr, 2);
- hdrptr += 2;
+ vend = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
- arange.ar_info_offset = byte_get (hdrptr, offset_size);
- hdrptr += offset_size;
+ printf (" %8.8lx ", (unsigned long) off);
- if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
- && num_debug_info_entries > 0
- && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
- warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
- arange.ar_info_offset, section->name);
+ print_dwarf_view (vbegin, pointer_size, 1);
+ print_dwarf_view (vend, pointer_size, 1);
+ printf (_("location view pair\n"));
+ }
- arange.ar_pointer_size = byte_get (hdrptr, 1);
- hdrptr += 1;
+ putchar ('\n');
+ *vstart_ptr = vstart;
+}
- arange.ar_segment_size = byte_get (hdrptr, 1);
- hdrptr += 1;
+/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
- if (arange.ar_version != 2 && arange.ar_version != 3)
- {
- warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
- break;
- }
+static void
+display_loc_list (struct dwarf_section *section,
+ unsigned char **start_ptr,
+ unsigned int debug_info_entry,
+ dwarf_vma offset,
+ dwarf_vma base_address,
+ unsigned char **vstart_ptr,
+ int has_frame_base)
+{
+ unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned long cu_offset;
+ unsigned int pointer_size;
+ unsigned int offset_size;
+ int dwarf_version;
+
+ dwarf_vma begin;
+ dwarf_vma end;
+ unsigned short length;
+ int need_frame_base;
+
+ if (debug_info_entry >= num_debug_info_entries)
+ {
+ warn (_("No debug information available for loc lists of entry: %u\n"),
+ debug_info_entry);
+ return;
+ }
- printf (_(" Length: %ld\n"), arange.ar_length);
- printf (_(" Version: %d\n"), arange.ar_version);
- printf (_(" Offset into .debug_info: 0x%lx\n"), arange.ar_info_offset);
- printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
- printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
+ cu_offset = debug_information [debug_info_entry].cu_offset;
+ pointer_size = debug_information [debug_info_entry].pointer_size;
+ offset_size = debug_information [debug_info_entry].offset_size;
+ dwarf_version = debug_information [debug_info_entry].dwarf_version;
- address_size = arange.ar_pointer_size + arange.ar_segment_size;
+ if (pointer_size < 2 || pointer_size > 8)
+ {
+ warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
+ pointer_size, debug_info_entry);
+ return;
+ }
- /* The DWARF spec does not require that the address size be a power
- of two, but we do. This will have to change if we ever encounter
- an uneven architecture. */
- if ((address_size & (address_size - 1)) != 0)
+ while (1)
+ {
+ dwarf_vma off = offset + (start - *start_ptr);
+ dwarf_vma vbegin = vm1, vend = vm1;
+
+ if (start + 2 * pointer_size > section_end)
{
- warn (_("Pointer size + Segment size is not a power of two.\n"));
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
break;
}
- if (address_size > 4)
- printf (_("\n Address Length\n"));
- else
- printf (_("\n Address Length\n"));
+ printf (" %8.8lx ", (unsigned long) off);
- addr_ranges = hdrptr;
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
+ SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
- /* Must pad to an alignment boundary that is twice the address size. */
- excess = (hdrptr - start) % (2 * address_size);
- if (excess)
- addr_ranges += (2 * address_size) - excess;
+ if (begin == 0 && end == 0)
+ {
+ /* PR 18374: In a object file we can have a location list that
+ starts with a begin and end of 0 because there are relocations
+ that need to be applied to the addresses. Actually applying
+ the relocations now does not help as they will probably resolve
+ to 0, since the object file has not been fully linked. Real
+ end of list markers will not have any relocations against them. */
+ if (! reloc_at (section, off)
+ && ! reloc_at (section, off + pointer_size))
+ {
+ printf (_("<End of list>\n"));
+ break;
+ }
+ }
- start += arange.ar_length + initial_length_size;
+ /* Check base address specifiers. */
+ if (is_max_address (begin, pointer_size)
+ && !is_max_address (end, pointer_size))
+ {
+ base_address = end;
+ print_dwarf_vma (begin, pointer_size);
+ print_dwarf_vma (end, pointer_size);
+ printf (_("(base address)\n"));
+ continue;
+ }
- while (addr_ranges + 2 * address_size <= start)
+ if (vstart)
{
- address = byte_get (addr_ranges, address_size);
+ unsigned int bytes_read;
- addr_ranges += address_size;
+ off = offset + (vstart - *start_ptr);
- length = byte_get (addr_ranges, address_size);
+ vbegin = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ print_dwarf_view (vbegin, pointer_size, 1);
- addr_ranges += address_size;
+ vend = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ print_dwarf_view (vend, pointer_size, 1);
- printf (" ");
- print_dwarf_vma (address, address_size);
- print_dwarf_vma (length, address_size);
- putchar ('\n');
+ printf (_("views at %8.8lx for:\n %*s "),
+ (unsigned long) off, 8, "");
}
- }
- printf ("\n");
+ if (start + 2 > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
- return 1;
-}
+ SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
-/* Each debug_information[x].range_lists[y] gets this representation for
- sorting purposes. */
+ if (start + length > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
-struct range_entry
- {
- /* The debug_information[x].range_lists[y] value. */
- unsigned long ranges_offset;
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
- /* Original debug_information to find parameters of the data. */
- debug_info *debug_info_p;
- };
+ putchar ('(');
+ need_frame_base = decode_location_expression (start,
+ pointer_size,
+ offset_size,
+ dwarf_version,
+ length,
+ cu_offset, section);
+ putchar (')');
-/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
+ if (need_frame_base && !has_frame_base)
+ printf (_(" [without DW_AT_frame_base]"));
-static int
-range_entry_compar (const void *ap, const void *bp)
-{
- const struct range_entry *a_re = (const struct range_entry *) ap;
- const struct range_entry *b_re = (const struct range_entry *) bp;
- const unsigned long a = a_re->ranges_offset;
- const unsigned long b = b_re->ranges_offset;
+ if (begin == end && vbegin == vend)
+ fputs (_(" (start == end)"), stdout);
+ else if (begin > end || (begin == end && vbegin > vend))
+ fputs (_(" (start > end)"), stdout);
- return (a > b) - (b > a);
+ putchar ('\n');
+
+ start += length;
+ }
+
+ *start_ptr = start;
+ *vstart_ptr = vstart;
}
-static int
-display_debug_ranges (struct dwarf_section *section,
- void *file ATTRIBUTE_UNUSED)
+/* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
+
+static void
+display_loclists_list (struct dwarf_section *section,
+ unsigned char **start_ptr,
+ unsigned int debug_info_entry,
+ dwarf_vma offset,
+ dwarf_vma base_address,
+ unsigned char **vstart_ptr,
+ int has_frame_base)
{
- unsigned char *start = section->start;
- unsigned long bytes;
- unsigned char *section_begin = start;
- unsigned int num_range_list, i;
- struct range_entry *range_entries, *range_entry_fill;
+ unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned long cu_offset;
+ unsigned int pointer_size;
+ unsigned int offset_size;
+ int dwarf_version;
+ unsigned int bytes_read;
- bytes = section->size;
+ /* Initialize it due to a false compiler warning. */
+ dwarf_vma begin = -1, vbegin = -1;
+ dwarf_vma end = -1, vend = -1;
+ dwarf_vma length;
+ int need_frame_base;
- if (bytes == 0)
+ if (debug_info_entry >= num_debug_info_entries)
{
- printf (_("\nThe %s section is empty.\n"), section->name);
- return 0;
+ warn (_("No debug information available for "
+ "loclists lists of entry: %u\n"),
+ debug_info_entry);
+ return;
}
- if (load_debug_info (file) == 0)
+ cu_offset = debug_information [debug_info_entry].cu_offset;
+ pointer_size = debug_information [debug_info_entry].pointer_size;
+ offset_size = debug_information [debug_info_entry].offset_size;
+ dwarf_version = debug_information [debug_info_entry].dwarf_version;
+
+ if (pointer_size < 2 || pointer_size > 8)
{
- warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
- section->name);
- return 0;
+ warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
+ pointer_size, debug_info_entry);
+ return;
}
- num_range_list = 0;
- for (i = 0; i < num_debug_info_entries; i++)
- num_range_list += debug_information [i].num_range_lists;
-
- if (num_range_list == 0)
- error (_("No range lists in .debug_info section!\n"));
-
- range_entries = (struct range_entry *)
- xmalloc (sizeof (*range_entries) * num_range_list);
- range_entry_fill = range_entries;
-
- for (i = 0; i < num_debug_info_entries; i++)
+ while (1)
{
- debug_info *debug_info_p = &debug_information[i];
- unsigned int j;
+ dwarf_vma off = offset + (start - *start_ptr);
+ enum dwarf_location_list_entry_type llet;
- for (j = 0; j < debug_info_p->num_range_lists; j++)
+ if (start + 1 > section_end)
{
- range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
- range_entry_fill->debug_info_p = debug_info_p;
- range_entry_fill++;
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
}
- }
- qsort (range_entries, num_range_list, sizeof (*range_entries),
- range_entry_compar);
+ printf (" %8.8lx ", (unsigned long) off);
- /* DWARF sections under Mach-O have non-zero addresses. */
- if (range_entries[0].ranges_offset != section->address)
- warn (_("Range lists in %s section start at 0x%lx\n"),
- section->name, range_entries[0].ranges_offset);
+ SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
- printf (_("Contents of the %s section:\n\n"), section->name);
- printf (_(" Offset Begin End\n"));
+ if (vstart && llet == DW_LLE_offset_pair)
+ {
+ off = offset + (vstart - *start_ptr);
- for (i = 0; i < num_range_list; i++)
- {
- struct range_entry *range_entry = &range_entries[i];
- debug_info *debug_info_p = range_entry->debug_info_p;
- unsigned int pointer_size;
- unsigned long offset;
- unsigned char *next;
- unsigned long base_address;
+ vbegin = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ print_dwarf_view (vbegin, pointer_size, 1);
- pointer_size = debug_info_p->pointer_size;
+ vend = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ print_dwarf_view (vend, pointer_size, 1);
- /* DWARF sections under Mach-O have non-zero addresses. */
- offset = range_entry->ranges_offset - section->address;
- next = section_begin + offset;
- base_address = debug_info_p->base_address;
+ printf (_("views at %8.8lx for:\n %*s "),
+ (unsigned long) off, 8, "");
+ }
- if (i > 0)
+ switch (llet)
{
- if (start < next)
- warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
- (unsigned long) (start - section_begin),
- (unsigned long) (next - section_begin), section->name);
- else if (start > next)
- warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
- (unsigned long) (start - section_begin),
- (unsigned long) (next - section_begin), section->name);
+ case DW_LLE_end_of_list:
+ printf (_("<End of list>\n"));
+ break;
+ case DW_LLE_offset_pair:
+ begin = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ end = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ break;
+ case DW_LLE_base_address:
+ SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
+ section_end);
+ print_dwarf_vma (base_address, pointer_size);
+ printf (_("(base address)\n"));
+ break;
+#ifdef DW_LLE_view_pair
+ case DW_LLE_view_pair:
+ if (vstart)
+ printf (_("View pair entry in loclist with locviews attribute\n"));
+ vbegin = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ print_dwarf_view (vbegin, pointer_size, 1);
+
+ vend = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ print_dwarf_view (vend, pointer_size, 1);
+
+ printf (_("views for:\n"));
+ continue;
+#endif
+ default:
+ error (_("Invalid location list entry type %d\n"), llet);
+ return;
}
- start = next;
+ if (llet == DW_LLE_end_of_list)
+ break;
+ if (llet != DW_LLE_offset_pair)
+ continue;
- while (1)
+ if (start + 2 > section_end)
{
- dwarf_vma begin;
- dwarf_vma end;
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
- /* Note: we use sign extension here in order to be sure that
- we can detect the -1 escape value. Sign extension into the
- top 32 bits of a 32-bit address will not affect the values
- that we display since we always show hex values, and always
- the bottom 32-bits. */
- begin = byte_get_signed (start, pointer_size);
- start += pointer_size;
- end = byte_get_signed (start, pointer_size);
- start += pointer_size;
+ length = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
- printf (" %8.8lx ", offset);
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
- if (begin == 0 && end == 0)
- {
- printf (_("<End of list>\n"));
- break;
- }
+ putchar ('(');
+ need_frame_base = decode_location_expression (start,
+ pointer_size,
+ offset_size,
+ dwarf_version,
+ length,
+ cu_offset, section);
+ putchar (')');
- /* Check base address specifiers. */
- if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1)
- {
- base_address = end;
- print_dwarf_vma (begin, pointer_size);
- print_dwarf_vma (end, pointer_size);
- printf ("(base address)\n");
- continue;
- }
+ if (need_frame_base && !has_frame_base)
+ printf (_(" [without DW_AT_frame_base]"));
- print_dwarf_vma (begin + base_address, pointer_size);
- print_dwarf_vma (end + base_address, pointer_size);
+ if (begin == end && vbegin == vend)
+ fputs (_(" (start == end)"), stdout);
+ else if (begin > end || (begin == end && vbegin > vend))
+ fputs (_(" (start > end)"), stdout);
- if (begin == end)
- fputs (_("(start == end)"), stdout);
- else if (begin > end)
- fputs (_("(start > end)"), stdout);
+ putchar ('\n');
- putchar ('\n');
- }
+ start += length;
+ vbegin = vend = -1;
}
- putchar ('\n');
- free (range_entries);
+ if (vbegin != vm1 || vend != vm1)
+ printf (_("Trailing view pair not used in a range"));
- return 1;
+ *start_ptr = start;
+ *vstart_ptr = vstart;
}
-typedef struct Frame_Chunk
+/* Print a .debug_addr table index in decimal, surrounded by square brackets,
+ right-adjusted in a field of length LEN, and followed by a space. */
+
+static void
+print_addr_index (unsigned int idx, unsigned int len)
{
- struct Frame_Chunk *next;
- unsigned char *chunk_start;
- int ncols;
- /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
- short int *col_type;
- int *col_offset;
- char *augmentation;
- unsigned int code_factor;
- int data_factor;
- unsigned long pc_begin;
- unsigned long pc_range;
- int cfa_reg;
- int cfa_offset;
- int ra;
- unsigned char fde_encoding;
- unsigned char cfa_exp;
- unsigned char ptr_size;
- unsigned char segment_size;
+ static char buf[15];
+ snprintf (buf, sizeof (buf), "[%d]", idx);
+ printf ("%*s ", len, buf);
}
-Frame_Chunk;
-
-static const char *const *dwarf_regnames;
-static unsigned int dwarf_regnames_count;
-
-/* A marker for a col_type that means this column was never referenced
- in the frame info. */
-#define DW_CFA_unreferenced (-1)
-/* Return 0 if not more space is needed, 1 if more space is needed,
- -1 for invalid reg. */
+/* Display a location list from a .dwo section. It uses address indexes rather
+ than embedded addresses. This code closely follows display_loc_list, but the
+ two are sufficiently different that combining things is very ugly. */
-static int
-frame_need_space (Frame_Chunk *fc, unsigned int reg)
+static void
+display_loc_list_dwo (struct dwarf_section *section,
+ unsigned char **start_ptr,
+ unsigned int debug_info_entry,
+ dwarf_vma offset,
+ unsigned char **vstart_ptr,
+ int has_frame_base)
{
- int prev = fc->ncols;
+ unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
+ unsigned char *section_end = section->start + section->size;
+ unsigned long cu_offset;
+ unsigned int pointer_size;
+ unsigned int offset_size;
+ int dwarf_version;
+ int entry_type;
+ unsigned short length;
+ int need_frame_base;
+ unsigned int idx;
+ unsigned int bytes_read;
- if (reg < (unsigned int) fc->ncols)
- return 0;
+ if (debug_info_entry >= num_debug_info_entries)
+ {
+ warn (_("No debug information for loc lists of entry: %u\n"),
+ debug_info_entry);
+ return;
+ }
- if (dwarf_regnames_count
- && reg > dwarf_regnames_count)
- return -1;
+ cu_offset = debug_information [debug_info_entry].cu_offset;
+ pointer_size = debug_information [debug_info_entry].pointer_size;
+ offset_size = debug_information [debug_info_entry].offset_size;
+ dwarf_version = debug_information [debug_info_entry].dwarf_version;
- fc->ncols = reg + 1;
- fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
- sizeof (short int));
- fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
-
- while (prev < fc->ncols)
+ if (pointer_size < 2 || pointer_size > 8)
{
- fc->col_type[prev] = DW_CFA_unreferenced;
- fc->col_offset[prev] = 0;
- prev++;
+ warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
+ pointer_size, debug_info_entry);
+ return;
}
- return 1;
-}
-
-static const char *const dwarf_regnames_i386[] =
-{
- "eax", "ecx", "edx", "ebx",
- "esp", "ebp", "esi", "edi",
- "eip", "eflags", NULL,
- "st0", "st1", "st2", "st3",
- "st4", "st5", "st6", "st7",
- NULL, NULL,
- "xmm0", "xmm1", "xmm2", "xmm3",
- "xmm4", "xmm5", "xmm6", "xmm7",
- "mm0", "mm1", "mm2", "mm3",
- "mm4", "mm5", "mm6", "mm7",
- "fcw", "fsw", "mxcsr",
- "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
- "tr", "ldtr"
-};
-
-void
-init_dwarf_regnames_i386 (void)
-{
- dwarf_regnames = dwarf_regnames_i386;
- dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
-}
-
-static const char *const dwarf_regnames_x86_64[] =
-{
- "rax", "rdx", "rcx", "rbx",
- "rsi", "rdi", "rbp", "rsp",
- "r8", "r9", "r10", "r11",
- "r12", "r13", "r14", "r15",
- "rip",
- "xmm0", "xmm1", "xmm2", "xmm3",
- "xmm4", "xmm5", "xmm6", "xmm7",
- "xmm8", "xmm9", "xmm10", "xmm11",
- "xmm12", "xmm13", "xmm14", "xmm15",
- "st0", "st1", "st2", "st3",
- "st4", "st5", "st6", "st7",
- "mm0", "mm1", "mm2", "mm3",
- "mm4", "mm5", "mm6", "mm7",
- "rflags",
- "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
- "fs.base", "gs.base", NULL, NULL,
- "tr", "ldtr",
- "mxcsr", "fcw", "fsw"
-};
-
-void
-init_dwarf_regnames_x86_64 (void)
-{
- dwarf_regnames = dwarf_regnames_x86_64;
- dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
-}
-void
-init_dwarf_regnames (unsigned int e_machine)
-{
- switch (e_machine)
+ while (1)
{
- case EM_386:
- case EM_486:
- init_dwarf_regnames_i386 ();
- break;
-
- case EM_X86_64:
- case EM_L1OM:
- init_dwarf_regnames_x86_64 ();
- break;
+ printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
- default:
- break;
- }
-}
+ if (start >= section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
-static const char *
-regname (unsigned int regno, int row)
-{
- static char reg[64];
- if (dwarf_regnames
- && regno < dwarf_regnames_count
- && dwarf_regnames [regno] != NULL)
- {
- if (row)
- return dwarf_regnames [regno];
- snprintf (reg, sizeof (reg), "r%d (%s)", regno,
- dwarf_regnames [regno]);
- }
- else
- snprintf (reg, sizeof (reg), "r%d", regno);
- return reg;
-}
+ SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
-static void
-frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs)
-{
- int r;
- char tmp[100];
+ if (vstart)
+ switch (entry_type)
+ {
+ default:
+ break;
- if (*max_regs < fc->ncols)
- *max_regs = fc->ncols;
+ case 2:
+ case 3:
+ case 4:
+ {
+ dwarf_vma view;
+ dwarf_vma off = offset + (vstart - *start_ptr);
- if (*need_col_headers)
- {
- static const char *sloc = " LOC";
+ view = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ print_dwarf_view (view, 8, 1);
- *need_col_headers = 0;
+ view = read_uleb128 (vstart, &bytes_read, section_end);
+ vstart += bytes_read;
+ print_dwarf_view (view, 8, 1);
- printf ("%-*s CFA ", eh_addr_size * 2, sloc);
+ printf (_("views at %8.8lx for:\n %*s "),
+ (unsigned long) off, 8, "");
- for (r = 0; r < *max_regs; r++)
- if (fc->col_type[r] != DW_CFA_unreferenced)
- {
- if (r == fc->ra)
- printf ("ra ");
- else
- printf ("%-5s ", regname (r, 1));
+ }
+ break;
}
- printf ("\n");
- }
+ switch (entry_type)
+ {
+ case 0: /* A terminating entry. */
+ *start_ptr = start;
+ *vstart_ptr = vstart;
+ printf (_("<End of list>\n"));
+ return;
+ case 1: /* A base-address entry. */
+ idx = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
+ printf (_("(base address selection entry)\n"));
+ continue;
+ case 2: /* A start/end entry. */
+ idx = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ idx = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ break;
+ case 3: /* A start/length entry. */
+ idx = read_uleb128 (start, &bytes_read, section_end);
+ start += bytes_read;
+ print_addr_index (idx, 8);
+ SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
+ printf ("%08x ", idx);
+ break;
+ case 4: /* An offset pair entry. */
+ SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
+ printf ("%08x ", idx);
+ SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
+ printf ("%08x ", idx);
+ break;
+ default:
+ warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
+ *start_ptr = start;
+ *vstart_ptr = vstart;
+ return;
+ }
- printf ("%0*lx ", eh_addr_size * 2, fc->pc_begin);
- if (fc->cfa_exp)
- strcpy (tmp, "exp");
- else
- sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), fc->cfa_offset);
- printf ("%-8s ", tmp);
+ if (start + 2 > section_end)
+ {
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
+ }
- for (r = 0; r < fc->ncols; r++)
- {
- if (fc->col_type[r] != DW_CFA_unreferenced)
+ SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
+ if (start + length > section_end)
{
- switch (fc->col_type[r])
- {
- case DW_CFA_undefined:
- strcpy (tmp, "u");
- break;
- case DW_CFA_same_value:
- strcpy (tmp, "s");
- break;
- case DW_CFA_offset:
- sprintf (tmp, "c%+d", fc->col_offset[r]);
- break;
- case DW_CFA_val_offset:
- sprintf (tmp, "v%+d", fc->col_offset[r]);
- break;
- case DW_CFA_register:
- sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
- break;
- case DW_CFA_expression:
- strcpy (tmp, "exp");
- break;
- case DW_CFA_val_expression:
- strcpy (tmp, "vexp");
- break;
- default:
- strcpy (tmp, "n/a");
- break;
- }
- printf ("%-5s ", tmp);
+ warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
+ (unsigned long) offset);
+ break;
}
+
+ putchar ('(');
+ need_frame_base = decode_location_expression (start,
+ pointer_size,
+ offset_size,
+ dwarf_version,
+ length,
+ cu_offset, section);
+ putchar (')');
+
+ if (need_frame_base && !has_frame_base)
+ printf (_(" [without DW_AT_frame_base]"));
+
+ putchar ('\n');
+
+ start += length;
}
- printf ("\n");
+
+ *start_ptr = start;
+ *vstart_ptr = vstart;
}
-#define GET(N) byte_get (start, N); start += N
-#define LEB() read_leb128 (start, & length_return, 0); start += length_return
-#define SLEB() read_leb128 (start, & length_return, 1); start += length_return
+/* Sort array of indexes in ascending order of loc_offsets[idx] and
+ loc_views. */
+
+static dwarf_vma *loc_offsets, *loc_views;
static int
-display_debug_frames (struct dwarf_section *section,
- void *file ATTRIBUTE_UNUSED)
+loc_offsets_compar (const void *ap, const void *bp)
{
- unsigned char *start = section->start;
- unsigned char *end = start + section->size;
- unsigned char *section_start = start;
- Frame_Chunk *chunks = 0;
- Frame_Chunk *remembered_state = 0;
- Frame_Chunk *rs;
- int is_eh = strcmp (section->name, ".eh_frame") == 0;
- unsigned int length_return;
- int max_regs = 0;
- const char *bad_reg = _("bad register: ");
- int saved_eh_addr_size = eh_addr_size;
+ dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
+ dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
- printf (_("Contents of the %s section:\n"), section->name);
+ int ret = (a > b) - (b > a);
+ if (ret)
+ return ret;
- while (start < end)
- {
- unsigned char *saved_start;
- unsigned char *block_end;
- unsigned long length;
- unsigned long cie_id;
- Frame_Chunk *fc;
- Frame_Chunk *cie;
- int need_col_headers = 1;
- unsigned char *augmentation_data = NULL;
- unsigned long augmentation_data_len = 0;
- int encoded_ptr_size = saved_eh_addr_size;
- int offset_size;
- int initial_length_size;
+ a = loc_views[*(const unsigned int *) ap];
+ b = loc_views[*(const unsigned int *) bp];
- saved_start = start;
- length = byte_get (start, 4); start += 4;
+ ret = (a > b) - (b > a);
- if (length == 0)
- {
- printf ("\n%08lx ZERO terminator\n\n",
- (unsigned long)(saved_start - section_start));
- continue;
- }
+ return ret;
+}
- if (length == 0xffffffff)
- {
- length = byte_get (start, 8);
- start += 8;
- offset_size = 8;
- initial_length_size = 12;
- }
- else
+static int
+display_debug_loc (struct dwarf_section *section, void *file)
+{
+ unsigned char *start = section->start, *vstart = NULL;
+ unsigned long bytes;
+ unsigned char *section_begin = start;
+ unsigned int num_loc_list = 0;
+ unsigned long last_offset = 0;
+ unsigned long last_view = 0;
+ unsigned int first = 0;
+ unsigned int i;
+ unsigned int j;
+ int seen_first_offset = 0;
+ int locs_sorted = 1;
+ unsigned char *next = start, *vnext = vstart;
+ unsigned int *array = NULL;
+ const char *suffix = strrchr (section->name, '.');
+ bfd_boolean is_dwo = FALSE;
+ int is_loclists = strstr (section->name, "debug_loclists") != NULL;
+ dwarf_vma expected_start = 0;
+
+ if (suffix && strcmp (suffix, ".dwo") == 0)
+ is_dwo = TRUE;
+
+ bytes = section->size;
+
+ if (bytes == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
+
+ if (is_loclists)
+ {
+ unsigned char *hdrptr = section_begin;
+ dwarf_vma ll_length;
+ unsigned short ll_version;
+ unsigned char *end = section_begin + section->size;
+ unsigned char address_size, segment_selector_size;
+ uint32_t offset_entry_count;
+
+ SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
+ if (ll_length == 0xffffffff)
+ SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
+
+ SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
+ if (ll_version != 5)
{
- offset_size = 4;
- initial_length_size = 4;
+ warn (_("The %s section contains corrupt or "
+ "unsupported version number: %d.\n"),
+ section->name, ll_version);
+ return 0;
}
- block_end = saved_start + length + initial_length_size;
- if (block_end > end)
+ SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
+
+ SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
+ if (segment_selector_size != 0)
{
- warn ("Invalid length %#08lx in FDE at %#08lx\n",
- length, (unsigned long)(saved_start - section_start));
- block_end = end;
+ warn (_("The %s section contains "
+ "unsupported segment selector size: %d.\n"),
+ section->name, segment_selector_size);
+ return 0;
}
- cie_id = byte_get (start, offset_size); start += offset_size;
- if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
+ SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
+ if (offset_entry_count != 0)
{
- int version;
-
- fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
- memset (fc, 0, sizeof (Frame_Chunk));
+ warn (_("The %s section contains "
+ "unsupported offset entry count: %d.\n"),
+ section->name, offset_entry_count);
+ return 0;
+ }
- fc->next = chunks;
- chunks = fc;
- fc->chunk_start = saved_start;
- fc->ncols = 0;
- fc->col_type = (short int *) xmalloc (sizeof (short int));
- fc->col_offset = (int *) xmalloc (sizeof (int));
- frame_need_space (fc, max_regs - 1);
+ expected_start = hdrptr - section_begin;
+ }
- version = *start++;
+ if (load_debug_info (file) == 0)
+ {
+ warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
+ section->name);
+ return 0;
+ }
- fc->augmentation = (char *) start;
- start = (unsigned char *) strchr ((char *) start, '\0') + 1;
+ /* Check the order of location list in .debug_info section. If
+ offsets of location lists are in the ascending order, we can
+ use `debug_information' directly. */
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ unsigned int num;
- if (strcmp (fc->augmentation, "eh") == 0)
- start += eh_addr_size;
+ num = debug_information [i].num_loc_offsets;
+ if (num > num_loc_list)
+ num_loc_list = num;
- if (version >= 4)
+ /* Check if we can use `debug_information' directly. */
+ if (locs_sorted && num != 0)
+ {
+ if (!seen_first_offset)
{
- fc->ptr_size = GET (1);
- fc->segment_size = GET (1);
- eh_addr_size = fc->ptr_size;
- }
- else
- {
- fc->ptr_size = eh_addr_size;
- fc->segment_size = 0;
- }
- fc->code_factor = LEB ();
- fc->data_factor = SLEB ();
- if (version == 1)
- {
- fc->ra = GET (1);
+ /* This is the first location list. */
+ last_offset = debug_information [i].loc_offsets [0];
+ last_view = debug_information [i].loc_views [0];
+ first = i;
+ seen_first_offset = 1;
+ j = 1;
}
else
- {
- fc->ra = LEB ();
- }
-
- if (fc->augmentation[0] == 'z')
- {
- augmentation_data_len = LEB ();
- augmentation_data = start;
- start += augmentation_data_len;
- }
- cie = fc;
+ j = 0;
- if (do_debug_frames_interp)
- printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n",
- (unsigned long)(saved_start - section_start), length, cie_id,
- fc->augmentation, fc->code_factor, fc->data_factor,
- fc->ra);
- else
+ for (; j < num; j++)
{
- printf ("\n%08lx %08lx %08lx CIE\n",
- (unsigned long)(saved_start - section_start), length, cie_id);
- printf (" Version: %d\n", version);
- printf (" Augmentation: \"%s\"\n", fc->augmentation);
- if (version >= 4)
- {
- printf (" Pointer Size: %u\n", fc->ptr_size);
- printf (" Segment Size: %u\n", fc->segment_size);
- }
- printf (" Code alignment factor: %u\n", fc->code_factor);
- printf (" Data alignment factor: %d\n", fc->data_factor);
- printf (" Return address column: %d\n", fc->ra);
-
- if (augmentation_data_len)
+ if (last_offset >
+ debug_information [i].loc_offsets [j]
+ || (last_offset == debug_information [i].loc_offsets [j]
+ && last_view > debug_information [i].loc_views [j]))
{
- unsigned long i;
- printf (" Augmentation data: ");
- for (i = 0; i < augmentation_data_len; ++i)
- printf (" %02x", augmentation_data[i]);
- putchar ('\n');
+ locs_sorted = 0;
+ break;
}
- putchar ('\n');
+ last_offset = debug_information [i].loc_offsets [j];
+ last_view = debug_information [i].loc_views [j];
}
+ }
+ }
- if (augmentation_data_len)
- {
- unsigned char *p, *q;
- p = (unsigned char *) fc->augmentation + 1;
- q = augmentation_data;
+ if (!seen_first_offset)
+ error (_("No location lists in .debug_info section!\n"));
- while (1)
- {
- if (*p == 'L')
- q++;
- else if (*p == 'P')
- q += 1 + size_of_encoded_value (*q);
- else if (*p == 'R')
- fc->fde_encoding = *q++;
- else if (*p == 'S')
- ;
- else
- break;
- p++;
- }
+ if (debug_information [first].num_loc_offsets > 0
+ && debug_information [first].loc_offsets [0] != expected_start
+ && debug_information [first].loc_views [0] != expected_start)
+ warn (_("Location lists in %s section start at 0x%s\n"),
+ section->name,
+ dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
- if (fc->fde_encoding)
- encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
- }
+ if (!locs_sorted)
+ array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
- frame_need_space (fc, fc->ra);
- }
- else
- {
- unsigned char *look_for;
- static Frame_Chunk fde_fc;
- unsigned long segment_selector;
+ introduce (section, FALSE);
- fc = & fde_fc;
- memset (fc, 0, sizeof (Frame_Chunk));
+ if (reloc_at (section, 0))
+ printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
- look_for = is_eh ? start - 4 - cie_id : section_start + cie_id;
+ printf (_(" Offset Begin End Expression\n"));
- for (cie = chunks; cie ; cie = cie->next)
- if (cie->chunk_start == look_for)
- break;
+ seen_first_offset = 0;
+ for (i = first; i < num_debug_info_entries; i++)
+ {
+ dwarf_vma offset, voffset;
+ dwarf_vma base_address;
+ unsigned int k;
+ int has_frame_base;
- if (!cie)
+ if (!locs_sorted)
+ {
+ for (k = 0; k < debug_information [i].num_loc_offsets; k++)
+ array[k] = k;
+ loc_offsets = debug_information [i].loc_offsets;
+ loc_views = debug_information [i].loc_views;
+ qsort (array, debug_information [i].num_loc_offsets,
+ sizeof (*array), loc_offsets_compar);
+ }
+
+ int adjacent_view_loclists = 1;
+ for (k = 0; k < debug_information [i].num_loc_offsets; k++)
+ {
+ j = locs_sorted ? k : array[k];
+ if (k
+ && (debug_information [i].loc_offsets [locs_sorted
+ ? k - 1 : array [k - 1]]
+ == debug_information [i].loc_offsets [j])
+ && (debug_information [i].loc_views [locs_sorted
+ ? k - 1 : array [k - 1]]
+ == debug_information [i].loc_views [j]))
+ continue;
+ has_frame_base = debug_information [i].have_frame_base [j];
+ offset = debug_information [i].loc_offsets [j];
+ next = section_begin + offset;
+ voffset = debug_information [i].loc_views [j];
+ if (voffset != vm1)
+ vnext = section_begin + voffset;
+ else
+ vnext = NULL;
+ base_address = debug_information [i].base_address;
+
+ if (vnext && vnext < next)
{
- warn ("Invalid CIE pointer %#08lx in FDE at %#08lx\n",
- cie_id, (unsigned long)(saved_start - section_start));
- fc->ncols = 0;
- fc->col_type = (short int *) xmalloc (sizeof (short int));
- fc->col_offset = (int *) xmalloc (sizeof (int));
- frame_need_space (fc, max_regs - 1);
- cie = fc;
- fc->augmentation = "";
- fc->fde_encoding = 0;
- fc->ptr_size = eh_addr_size;
- fc->segment_size = 0;
+ vstart = vnext;
+ display_view_pair_list (section, &vstart, i, next);
+ if (start == vnext)
+ start = vstart;
}
+
+ if (!seen_first_offset || !adjacent_view_loclists)
+ seen_first_offset = 1;
else
{
- fc->ncols = cie->ncols;
- fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
- fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
- memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
- memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
- fc->augmentation = cie->augmentation;
- fc->ptr_size = cie->ptr_size;
- eh_addr_size = cie->ptr_size;
- fc->segment_size = cie->segment_size;
- fc->code_factor = cie->code_factor;
- fc->data_factor = cie->data_factor;
- fc->cfa_reg = cie->cfa_reg;
- fc->cfa_offset = cie->cfa_offset;
- fc->ra = cie->ra;
- frame_need_space (fc, max_regs - 1);
- fc->fde_encoding = cie->fde_encoding;
+ if (start < next)
+ warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
+ (unsigned long) (start - section_begin),
+ (unsigned long) offset);
+ else if (start > next)
+ warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
+ (unsigned long) (start - section_begin),
+ (unsigned long) offset);
}
+ start = next;
+ vstart = vnext;
- if (fc->fde_encoding)
- encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
-
- segment_selector = 0;
- if (fc->segment_size)
+ if (offset >= bytes)
{
- segment_selector = byte_get (start, fc->segment_size);
- start += fc->segment_size;
+ warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
+ (unsigned long) offset);
+ continue;
}
- fc->pc_begin = get_encoded_value (start, fc->fde_encoding);
- if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
- fc->pc_begin += section->address + (start - section_start);
- start += encoded_ptr_size;
- fc->pc_range = byte_get (start, encoded_ptr_size);
- start += encoded_ptr_size;
- if (cie->augmentation[0] == 'z')
+ if (vnext && voffset >= bytes)
{
- augmentation_data_len = LEB ();
- augmentation_data = start;
- start += augmentation_data_len;
+ warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
+ (unsigned long) voffset);
+ continue;
}
- printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=",
- (unsigned long)(saved_start - section_start), length, cie_id,
- (unsigned long)(cie->chunk_start - section_start));
- if (fc->segment_size)
- printf ("%04lx:", segment_selector);
- printf ("%08lx..%08lx\n", fc->pc_begin, fc->pc_begin + fc->pc_range);
- if (! do_debug_frames_interp && augmentation_data_len)
+ if (!is_loclists)
{
- unsigned long i;
+ if (is_dwo)
+ display_loc_list_dwo (section, &start, i, offset,
+ &vstart, has_frame_base);
+ else
+ display_loc_list (section, &start, i, offset, base_address,
+ &vstart, has_frame_base);
+ }
+ else
+ {
+ if (is_dwo)
+ warn (_("DWO is not yet supported.\n"));
+ else
+ display_loclists_list (section, &start, i, offset, base_address,
+ &vstart, has_frame_base);
+ }
- printf (" Augmentation data: ");
- for (i = 0; i < augmentation_data_len; ++i)
- printf (" %02x", augmentation_data[i]);
- putchar ('\n');
- putchar ('\n');
+ /* FIXME: this arrangement is quite simplistic. Nothing
+ requires locview lists to be adjacent to corresponding
+ loclists, and a single loclist could be augmented by
+ different locview lists, and vice-versa, unlikely as it
+ is that it would make sense to do so. Hopefully we'll
+ have view pair support built into loclists before we ever
+ need to address all these possibilities. */
+ if (adjacent_view_loclists && vnext
+ && vnext != start && vstart != next)
+ {
+ adjacent_view_loclists = 0;
+ warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
}
+
+ if (vnext && vnext == start)
+ display_view_pair_list (section, &start, i, vstart);
}
+ }
- /* At this point, fc is the current chunk, cie (if any) is set, and
- we're about to interpret instructions for the chunk. */
- /* ??? At present we need to do this always, since this sizes the
- fc->col_type and fc->col_offset arrays, which we write into always.
- We should probably split the interpreted and non-interpreted bits
- into two different routines, since there's so much that doesn't
- really overlap between them. */
- if (1 || do_debug_frames_interp)
- {
- /* Start by making a pass over the chunk, allocating storage
- and taking note of what registers are used. */
- unsigned char *tmp = start;
+ if (start < section->start + section->size)
+ warn (ngettext ("There is %ld unused byte at the end of section %s\n",
+ "There are %ld unused bytes at the end of section %s\n",
+ (long) (section->start + section->size - start)),
+ (long) (section->start + section->size - start), section->name);
+ putchar ('\n');
+ free (array);
+ return 1;
+}
- while (start < block_end)
- {
- unsigned op, opa;
- unsigned long reg, temp;
+static int
+display_debug_str (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *start = section->start;
+ unsigned long bytes = section->size;
+ dwarf_vma addr = section->address;
- op = *start++;
- opa = op & 0x3f;
- if (op & 0xc0)
- op &= 0xc0;
+ if (bytes == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
- /* Warning: if you add any more cases to this switch, be
- sure to add them to the corresponding switch below. */
- switch (op)
- {
- case DW_CFA_advance_loc:
- break;
- case DW_CFA_offset:
- LEB ();
- if (frame_need_space (fc, opa) >= 0)
- fc->col_type[opa] = DW_CFA_undefined;
- break;
- case DW_CFA_restore:
- if (frame_need_space (fc, opa) >= 0)
- fc->col_type[opa] = DW_CFA_undefined;
- break;
- case DW_CFA_set_loc:
- start += encoded_ptr_size;
- break;
- case DW_CFA_advance_loc1:
- start += 1;
- break;
- case DW_CFA_advance_loc2:
- start += 2;
- break;
- case DW_CFA_advance_loc4:
- start += 4;
- break;
- case DW_CFA_offset_extended:
- case DW_CFA_val_offset:
- reg = LEB (); LEB ();
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_restore_extended:
- reg = LEB ();
- frame_need_space (fc, reg);
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_undefined:
- reg = LEB ();
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_same_value:
- reg = LEB ();
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_register:
- reg = LEB (); LEB ();
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_def_cfa:
- LEB (); LEB ();
- break;
- case DW_CFA_def_cfa_register:
- LEB ();
- break;
- case DW_CFA_def_cfa_offset:
- LEB ();
- break;
- case DW_CFA_def_cfa_expression:
- temp = LEB ();
- start += temp;
- break;
- case DW_CFA_expression:
- case DW_CFA_val_expression:
- reg = LEB ();
- temp = LEB ();
- start += temp;
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_offset_extended_sf:
- case DW_CFA_val_offset_sf:
- reg = LEB (); SLEB ();
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- case DW_CFA_def_cfa_sf:
- LEB (); SLEB ();
- break;
- case DW_CFA_def_cfa_offset_sf:
- SLEB ();
- break;
- case DW_CFA_MIPS_advance_loc8:
- start += 8;
- break;
- case DW_CFA_GNU_args_size:
- LEB ();
- break;
- case DW_CFA_GNU_negative_offset_extended:
- reg = LEB (); LEB ();
- if (frame_need_space (fc, reg) >= 0)
- fc->col_type[reg] = DW_CFA_undefined;
- break;
- default:
- break;
- }
- }
- start = tmp;
- }
+ introduce (section, FALSE);
- /* Now we know what registers are used, make a second pass over
- the chunk, this time actually printing out the info. */
+ while (bytes)
+ {
+ int j;
+ int k;
+ int lbytes;
- while (start < block_end)
+ lbytes = (bytes > 16 ? 16 : bytes);
+
+ printf (" 0x%8.8lx ", (unsigned long) addr);
+
+ for (j = 0; j < 16; j++)
+ {
+ if (j < lbytes)
+ printf ("%2.2x", start[j]);
+ else
+ printf (" ");
+
+ if ((j & 3) == 3)
+ printf (" ");
+ }
+
+ for (j = 0; j < lbytes; j++)
+ {
+ k = start[j];
+ if (k >= ' ' && k < 0x80)
+ printf ("%c", k);
+ else
+ printf (".");
+ }
+
+ putchar ('\n');
+
+ start += lbytes;
+ addr += lbytes;
+ bytes -= lbytes;
+ }
+
+ putchar ('\n');
+
+ return 1;
+}
+
+static int
+display_debug_info (struct dwarf_section *section, void *file)
+{
+ return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE);
+}
+
+static int
+display_debug_types (struct dwarf_section *section, void *file)
+{
+ return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
+}
+
+static int
+display_trace_info (struct dwarf_section *section, void *file)
+{
+ return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
+}
+
+static int
+display_debug_aranges (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *start = section->start;
+ unsigned char *end = start + section->size;
+
+ introduce (section, FALSE);
+
+ /* It does not matter if this load fails,
+ we test for that later on. */
+ load_debug_info (file);
+
+ while (start < end)
+ {
+ unsigned char *hdrptr;
+ DWARF2_Internal_ARange arange;
+ unsigned char *addr_ranges;
+ dwarf_vma length;
+ dwarf_vma address;
+ unsigned long sec_off;
+ unsigned char address_size;
+ int excess;
+ unsigned int offset_size;
+ unsigned int initial_length_size;
+
+ hdrptr = start;
+
+ SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
+ if (arange.ar_length == 0xffffffff)
+ {
+ SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ sec_off = hdrptr - section->start;
+ if (sec_off + arange.ar_length < sec_off
+ || sec_off + arange.ar_length > section->size)
+ {
+ warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
+ section->name,
+ sec_off - initial_length_size,
+ dwarf_vmatoa ("x", arange.ar_length));
+ break;
+ }
+
+ SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
+ SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
+
+ if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
+ && num_debug_info_entries > 0
+ && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
+ warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
+ (unsigned long) arange.ar_info_offset, section->name);
+
+ SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
+ SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
+
+ if (arange.ar_version != 2 && arange.ar_version != 3)
+ {
+ /* PR 19872: A version number of 0 probably means that there is
+ padding at the end of the .debug_aranges section. Gold puts
+ it there when performing an incremental link, for example.
+ So do not generate a warning in this case. */
+ if (arange.ar_version)
+ warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
+ break;
+ }
+
+ printf (_(" Length: %ld\n"),
+ (long) arange.ar_length);
+ printf (_(" Version: %d\n"), arange.ar_version);
+ printf (_(" Offset into .debug_info: 0x%lx\n"),
+ (unsigned long) arange.ar_info_offset);
+ printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
+ printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
+
+ address_size = arange.ar_pointer_size + arange.ar_segment_size;
+
+ /* PR 17512: file: 001-108546-0.001:0.1. */
+ if (address_size == 0 || address_size > 8)
+ {
+ error (_("Invalid address size in %s section!\n"),
+ section->name);
+ break;
+ }
+
+ /* The DWARF spec does not require that the address size be a power
+ of two, but we do. This will have to change if we ever encounter
+ an uneven architecture. */
+ if ((address_size & (address_size - 1)) != 0)
+ {
+ warn (_("Pointer size + Segment size is not a power of two.\n"));
+ break;
+ }
+
+ if (address_size > 4)
+ printf (_("\n Address Length\n"));
+ else
+ printf (_("\n Address Length\n"));
+
+ addr_ranges = hdrptr;
+
+ /* Must pad to an alignment boundary that is twice the address size. */
+ excess = (hdrptr - start) % (2 * address_size);
+ if (excess)
+ addr_ranges += (2 * address_size) - excess;
+
+ start += arange.ar_length + initial_length_size;
+
+ while (addr_ranges + 2 * address_size <= start)
+ {
+ SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
+ SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
+
+ printf (" ");
+ print_dwarf_vma (address, address_size);
+ print_dwarf_vma (length, address_size);
+ putchar ('\n');
+ }
+ }
+
+ printf ("\n");
+
+ return 1;
+}
+
+/* Comparison function for qsort. */
+static int
+comp_addr_base (const void * v0, const void * v1)
+{
+ debug_info *info0 = *(debug_info **) v0;
+ debug_info *info1 = *(debug_info **) v1;
+ return info0->addr_base - info1->addr_base;
+}
+
+/* Display the debug_addr section. */
+static int
+display_debug_addr (struct dwarf_section *section,
+ void *file)
+{
+ debug_info **debug_addr_info;
+ unsigned char *entry;
+ unsigned char *end;
+ unsigned int i;
+ unsigned int count;
+
+ if (section->size == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
+
+ if (load_debug_info (file) == 0)
+ {
+ warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
+ section->name);
+ return 0;
+ }
+
+ introduce (section, FALSE);
+
+ /* PR 17531: file: cf38d01b.
+ We use xcalloc because a corrupt file may not have initialised all of the
+ fields in the debug_info structure, which means that the sort below might
+ try to move uninitialised data. */
+ debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
+ sizeof (debug_info *));
+
+ count = 0;
+ for (i = 0; i < num_debug_info_entries; i++)
+ if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
+ {
+ /* PR 17531: file: cf38d01b. */
+ if (debug_information[i].addr_base >= section->size)
+ warn (_("Corrupt address base (%lx) found in debug section %u\n"),
+ (unsigned long) debug_information[i].addr_base, i);
+ else
+ debug_addr_info [count++] = debug_information + i;
+ }
+
+ /* Add a sentinel to make iteration convenient. */
+ debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
+ debug_addr_info [count]->addr_base = section->size;
+ qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
+
+ for (i = 0; i < count; i++)
+ {
+ unsigned int idx;
+ unsigned int address_size = debug_addr_info [i]->pointer_size;
+
+ printf (_(" For compilation unit at offset 0x%s:\n"),
+ dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
+
+ printf (_("\tIndex\tAddress\n"));
+ entry = section->start + debug_addr_info [i]->addr_base;
+ end = section->start + debug_addr_info [i + 1]->addr_base;
+ idx = 0;
+ while (entry < end)
+ {
+ dwarf_vma base = byte_get (entry, address_size);
+ printf (_("\t%d:\t"), idx);
+ print_dwarf_vma (base, address_size);
+ printf ("\n");
+ entry += address_size;
+ idx++;
+ }
+ }
+ printf ("\n");
+
+ free (debug_addr_info);
+ return 1;
+}
+
+/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
+
+static int
+display_debug_str_offsets (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ if (section->size == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
+ /* TODO: Dump the contents. This is made somewhat difficult by not knowing
+ what the offset size is for this section. */
+ return 1;
+}
+
+/* Each debug_information[x].range_lists[y] gets this representation for
+ sorting purposes. */
+
+struct range_entry
+{
+ /* The debug_information[x].range_lists[y] value. */
+ dwarf_vma ranges_offset;
+
+ /* Original debug_information to find parameters of the data. */
+ debug_info *debug_info_p;
+};
+
+/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
+
+static int
+range_entry_compar (const void *ap, const void *bp)
+{
+ const struct range_entry *a_re = (const struct range_entry *) ap;
+ const struct range_entry *b_re = (const struct range_entry *) bp;
+ const dwarf_vma a = a_re->ranges_offset;
+ const dwarf_vma b = b_re->ranges_offset;
+
+ return (a > b) - (b > a);
+}
+
+static void
+display_debug_ranges_list (unsigned char *start, unsigned char *finish,
+ unsigned int pointer_size, unsigned long offset,
+ unsigned long base_address)
+{
+ while (start < finish)
+ {
+ dwarf_vma begin;
+ dwarf_vma end;
+
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
+ if (start >= finish)
+ break;
+ SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
+
+
+ printf (" %8.8lx ", offset);
+
+ if (begin == 0 && end == 0)
+ {
+ printf (_("<End of list>\n"));
+ break;
+ }
+
+ /* Check base address specifiers. */
+ if (is_max_address (begin, pointer_size)
+ && !is_max_address (end, pointer_size))
+ {
+ base_address = end;
+ print_dwarf_vma (begin, pointer_size);
+ print_dwarf_vma (end, pointer_size);
+ printf ("(base address)\n");
+ continue;
+ }
+
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
+
+ if (begin == end)
+ fputs (_("(start == end)"), stdout);
+ else if (begin > end)
+ fputs (_("(start > end)"), stdout);
+
+ putchar ('\n');
+ }
+}
+
+static void
+display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
+ unsigned int pointer_size, unsigned long offset,
+ unsigned long base_address)
+{
+ unsigned char *next = start;
+
+ while (1)
+ {
+ unsigned long off = offset + (start - next);
+ enum dwarf_range_list_entry rlet;
+ /* Initialize it due to a false compiler warning. */
+ dwarf_vma begin = -1, length, end = -1;
+ unsigned int bytes_read;
+
+ if (start + 1 > finish)
+ {
+ warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
+ offset);
+ break;
+ }
+
+ printf (" %8.8lx ", off);
+
+ SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
+
+ switch (rlet)
+ {
+ case DW_RLE_end_of_list:
+ printf (_("<End of list>\n"));
+ break;
+ case DW_RLE_base_address:
+ SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
+ print_dwarf_vma (base_address, pointer_size);
+ printf (_("(base address)\n"));
+ break;
+ case DW_RLE_start_length:
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
+ length = read_uleb128 (start, &bytes_read, finish);
+ start += bytes_read;
+ end = begin + length;
+ break;
+ case DW_RLE_offset_pair:
+ begin = read_uleb128 (start, &bytes_read, finish);
+ start += bytes_read;
+ end = read_uleb128 (start, &bytes_read, finish);
+ start += bytes_read;
+ break;
+ case DW_RLE_start_end:
+ SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
+ SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
+ break;
+ default:
+ error (_("Invalid range list entry type %d\n"), rlet);
+ rlet = DW_RLE_end_of_list;
+ break;
+ }
+ if (rlet == DW_RLE_end_of_list)
+ break;
+ if (rlet == DW_RLE_base_address)
+ continue;
+
+ print_dwarf_vma (begin + base_address, pointer_size);
+ print_dwarf_vma (end + base_address, pointer_size);
+
+ if (begin == end)
+ fputs (_("(start == end)"), stdout);
+ else if (begin > end)
+ fputs (_("(start > end)"), stdout);
+
+ putchar ('\n');
+ }
+}
+
+static int
+display_debug_ranges (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *start = section->start;
+ unsigned char *last_start = start;
+ unsigned long bytes = section->size;
+ unsigned char *section_begin = start;
+ unsigned char *finish = start + bytes;
+ unsigned int num_range_list, i;
+ struct range_entry *range_entries, *range_entry_fill;
+ int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
+ /* Initialize it due to a false compiler warning. */
+ unsigned char address_size = 0;
+
+ if (bytes == 0)
+ {
+ printf (_("\nThe %s section is empty.\n"), section->name);
+ return 0;
+ }
+
+ if (is_rnglists)
+ {
+ dwarf_vma initial_length;
+ unsigned int initial_length_size;
+ unsigned char segment_selector_size;
+ unsigned int offset_size, offset_entry_count;
+ unsigned short version;
+
+ /* Get and check the length of the block. */
+ SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
+
+ if (initial_length == 0xffffffff)
+ {
+ /* This section is 64-bit DWARF 3. */
+ SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ if (initial_length + initial_length_size > section->size)
+ {
+ /* If the length field has a relocation against it, then we should
+ not complain if it is inaccurate (and probably negative).
+ It is copied from .debug_line handling code. */
+ if (reloc_at (section, (start - section->start) - offset_size))
+ {
+ initial_length = (finish - start) - initial_length_size;
+ }
+ else
+ {
+ warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
+ (long) initial_length);
+ return 0;
+ }
+ }
+
+ /* Get and check the version number. */
+ SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
+
+ if (version != 5)
+ {
+ warn (_("Only DWARF version 5 debug_rnglists info "
+ "is currently supported.\n"));
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
+
+ SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
+ if (segment_selector_size != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported segment selector size: %d.\n"),
+ section->name, segment_selector_size);
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
+ if (offset_entry_count != 0)
+ {
+ warn (_("The %s section contains "
+ "unsupported offset entry count: %u.\n"),
+ section->name, offset_entry_count);
+ return 0;
+ }
+ }
+
+ if (load_debug_info (file) == 0)
+ {
+ warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
+ section->name);
+ return 0;
+ }
+
+ num_range_list = 0;
+ for (i = 0; i < num_debug_info_entries; i++)
+ num_range_list += debug_information [i].num_range_lists;
+
+ if (num_range_list == 0)
+ {
+ /* This can happen when the file was compiled with -gsplit-debug
+ which removes references to range lists from the primary .o file. */
+ printf (_("No range lists in .debug_info section.\n"));
+ return 1;
+ }
+
+ range_entries = (struct range_entry *)
+ xmalloc (sizeof (*range_entries) * num_range_list);
+ range_entry_fill = range_entries;
+
+ for (i = 0; i < num_debug_info_entries; i++)
+ {
+ debug_info *debug_info_p = &debug_information[i];
+ unsigned int j;
+
+ for (j = 0; j < debug_info_p->num_range_lists; j++)
+ {
+ range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
+ range_entry_fill->debug_info_p = debug_info_p;
+ range_entry_fill++;
+ }
+ }
+
+ qsort (range_entries, num_range_list, sizeof (*range_entries),
+ range_entry_compar);
+
+ if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
+ warn (_("Range lists in %s section start at 0x%lx\n"),
+ section->name, (unsigned long) range_entries[0].ranges_offset);
+
+ introduce (section, FALSE);
+
+ printf (_(" Offset Begin End\n"));
+
+ for (i = 0; i < num_range_list; i++)
+ {
+ struct range_entry *range_entry = &range_entries[i];
+ debug_info *debug_info_p = range_entry->debug_info_p;
+ unsigned int pointer_size;
+ dwarf_vma offset;
+ unsigned char *next;
+ dwarf_vma base_address;
+
+ pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
+ offset = range_entry->ranges_offset;
+ next = section_begin + offset;
+ base_address = debug_info_p->base_address;
+
+ /* PR 17512: file: 001-101485-0.001:0.1. */
+ if (pointer_size < 2 || pointer_size > 8)
+ {
+ warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
+ pointer_size, (unsigned long) offset);
+ continue;
+ }
+
+ if (next < section_begin || next >= finish)
+ {
+ warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
+ (unsigned long) offset, i);
+ continue;
+ }
+
+ if (dwarf_check != 0 && i > 0)
+ {
+ if (start < next)
+ warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
+ (unsigned long) (start - section_begin),
+ (unsigned long) (next - section_begin), section->name);
+ else if (start > next)
+ {
+ if (next == last_start)
+ continue;
+ warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
+ (unsigned long) (start - section_begin),
+ (unsigned long) (next - section_begin), section->name);
+ }
+ }
+
+ start = next;
+ last_start = next;
+
+ (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
+ (start, finish, pointer_size, offset, base_address);
+ }
+ putchar ('\n');
+
+ free (range_entries);
+
+ return 1;
+}
+
+typedef struct Frame_Chunk
+{
+ struct Frame_Chunk *next;
+ unsigned char *chunk_start;
+ unsigned int ncols;
+ /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
+ short int *col_type;
+ int *col_offset;
+ char *augmentation;
+ unsigned int code_factor;
+ int data_factor;
+ dwarf_vma pc_begin;
+ dwarf_vma pc_range;
+ unsigned int cfa_reg;
+ dwarf_vma cfa_offset;
+ unsigned int ra;
+ unsigned char fde_encoding;
+ unsigned char cfa_exp;
+ unsigned char ptr_size;
+ unsigned char segment_size;
+}
+Frame_Chunk;
+
+static const char *const *dwarf_regnames;
+static unsigned int dwarf_regnames_count;
+
+/* A marker for a col_type that means this column was never referenced
+ in the frame info. */
+#define DW_CFA_unreferenced (-1)
+
+/* Return 0 if no more space is needed, 1 if more space is needed,
+ -1 for invalid reg. */
+
+static int
+frame_need_space (Frame_Chunk *fc, unsigned int reg)
+{
+ unsigned int prev = fc->ncols;
+
+ if (reg < (unsigned int) fc->ncols)
+ return 0;
+
+ if (dwarf_regnames_count
+ && reg > dwarf_regnames_count)
+ return -1;
+
+ fc->ncols = reg + 1;
+ /* PR 17512: file: 10450-2643-0.004.
+ If reg == -1 then this can happen... */
+ if (fc->ncols == 0)
+ return -1;
+
+ /* PR 17512: file: 2844a11d. */
+ if (fc->ncols > 1024)
+ {
+ error (_("Unfeasibly large register number: %u\n"), reg);
+ fc->ncols = 0;
+ /* FIXME: 1024 is an arbitrary limit. Increase it if
+ we ever encounter a valid binary that exceeds it. */
+ return -1;
+ }
+
+ fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
+ sizeof (short int));
+ fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
+ /* PR 17512: file:002-10025-0.005. */
+ if (fc->col_type == NULL || fc->col_offset == NULL)
+ {
+ error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
+ fc->ncols);
+ fc->ncols = 0;
+ return -1;
+ }
+
+ while (prev < fc->ncols)
+ {
+ fc->col_type[prev] = DW_CFA_unreferenced;
+ fc->col_offset[prev] = 0;
+ prev++;
+ }
+ return 1;
+}
+
+static const char *const dwarf_regnames_i386[] =
+{
+ "eax", "ecx", "edx", "ebx", /* 0 - 3 */
+ "esp", "ebp", "esi", "edi", /* 4 - 7 */
+ "eip", "eflags", NULL, /* 8 - 10 */
+ "st0", "st1", "st2", "st3", /* 11 - 14 */
+ "st4", "st5", "st6", "st7", /* 15 - 18 */
+ NULL, NULL, /* 19 - 20 */
+ "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
+ "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
+ "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
+ "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
+ "fcw", "fsw", "mxcsr", /* 37 - 39 */
+ "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
+ "tr", "ldtr", /* 48 - 49 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
+ NULL, NULL, NULL, /* 90 - 92 */
+ "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
+};
+
+static const char *const dwarf_regnames_iamcu[] =
+{
+ "eax", "ecx", "edx", "ebx", /* 0 - 3 */
+ "esp", "ebp", "esi", "edi", /* 4 - 7 */
+ "eip", "eflags", NULL, /* 8 - 10 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
+ NULL, NULL, /* 19 - 20 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
+ NULL, NULL, NULL, /* 37 - 39 */
+ "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
+ "tr", "ldtr", /* 48 - 49 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
+ NULL, NULL, NULL, /* 90 - 92 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
+};
+
+void
+init_dwarf_regnames_i386 (void)
+{
+ dwarf_regnames = dwarf_regnames_i386;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
+}
+
+void
+init_dwarf_regnames_iamcu (void)
+{
+ dwarf_regnames = dwarf_regnames_iamcu;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
+}
+
+static const char *const dwarf_regnames_x86_64[] =
+{
+ "rax", "rdx", "rcx", "rbx",
+ "rsi", "rdi", "rbp", "rsp",
+ "r8", "r9", "r10", "r11",
+ "r12", "r13", "r14", "r15",
+ "rip",
+ "xmm0", "xmm1", "xmm2", "xmm3",
+ "xmm4", "xmm5", "xmm6", "xmm7",
+ "xmm8", "xmm9", "xmm10", "xmm11",
+ "xmm12", "xmm13", "xmm14", "xmm15",
+ "st0", "st1", "st2", "st3",
+ "st4", "st5", "st6", "st7",
+ "mm0", "mm1", "mm2", "mm3",
+ "mm4", "mm5", "mm6", "mm7",
+ "rflags",
+ "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
+ "fs.base", "gs.base", NULL, NULL,
+ "tr", "ldtr",
+ "mxcsr", "fcw", "fsw",
+ "xmm16", "xmm17", "xmm18", "xmm19",
+ "xmm20", "xmm21", "xmm22", "xmm23",
+ "xmm24", "xmm25", "xmm26", "xmm27",
+ "xmm28", "xmm29", "xmm30", "xmm31",
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
+ NULL, NULL, NULL, /* 115 - 117 */
+ "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
+};
+
+void
+init_dwarf_regnames_x86_64 (void)
+{
+ dwarf_regnames = dwarf_regnames_x86_64;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
+}
+
+static const char *const dwarf_regnames_aarch64[] =
+{
+ "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
+ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
+ "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
+ "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
+ NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr",
+ "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7",
+ "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",
+ "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
+ "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
+ "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
+ "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
+ "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7",
+ "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
+ "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23",
+ "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31",
+};
+
+void
+init_dwarf_regnames_aarch64 (void)
+{
+ dwarf_regnames = dwarf_regnames_aarch64;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
+}
+
+static const char *const dwarf_regnames_s390[] =
+{
+ /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
+ "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
+ "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
+ "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
+ "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
+ "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
+ "pswm", "pswa",
+ NULL, NULL,
+ "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
+ "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
+};
+
+void
+init_dwarf_regnames_s390 (void)
+{
+ dwarf_regnames = dwarf_regnames_s390;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
+}
+
+static const char *const dwarf_regnames_riscv[] =
+{
+ "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
+ "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
+ "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
+ "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
+ "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
+ "fs0", "fs1", /* 40 - 41 */
+ "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
+ "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
+ "fs10", "fs11", /* 58 - 59 */
+ "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
+};
+
+void
+init_dwarf_regnames_riscv (void)
+{
+ dwarf_regnames = dwarf_regnames_riscv;
+ dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv);
+}
+
+void
+init_dwarf_regnames (unsigned int e_machine)
+{
+ switch (e_machine)
+ {
+ case EM_386:
+ init_dwarf_regnames_i386 ();
+ break;
+
+ case EM_IAMCU:
+ init_dwarf_regnames_iamcu ();
+ break;
+
+ case EM_X86_64:
+ case EM_L1OM:
+ case EM_K1OM:
+ init_dwarf_regnames_x86_64 ();
+ break;
+
+ case EM_AARCH64:
+ init_dwarf_regnames_aarch64 ();
+ break;
+
+ case EM_S390:
+ init_dwarf_regnames_s390 ();
+ break;
+
+ case EM_RISCV:
+ init_dwarf_regnames_riscv ();
+ break;
+
+ default:
+ break;
+ }
+}
+
+static const char *
+regname (unsigned int regno, int row)
+{
+ static char reg[64];
+
+ if (dwarf_regnames
+ && regno < dwarf_regnames_count
+ && dwarf_regnames [regno] != NULL)
+ {
+ if (row)
+ return dwarf_regnames [regno];
+ snprintf (reg, sizeof (reg), "r%d (%s)", regno,
+ dwarf_regnames [regno]);
+ }
+ else
+ snprintf (reg, sizeof (reg), "r%d", regno);
+ return reg;
+}
+
+static void
+frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
+{
+ unsigned int r;
+ char tmp[100];
+
+ if (*max_regs != fc->ncols)
+ *max_regs = fc->ncols;
+
+ if (*need_col_headers)
+ {
+ static const char *sloc = " LOC";
+
+ *need_col_headers = 0;
+
+ printf ("%-*s CFA ", eh_addr_size * 2, sloc);
+
+ for (r = 0; r < *max_regs; r++)
+ if (fc->col_type[r] != DW_CFA_unreferenced)
+ {
+ if (r == fc->ra)
+ printf ("ra ");
+ else
+ printf ("%-5s ", regname (r, 1));
+ }
+
+ printf ("\n");
+ }
+
+ print_dwarf_vma (fc->pc_begin, eh_addr_size);
+ if (fc->cfa_exp)
+ strcpy (tmp, "exp");
+ else
+ sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
+ printf ("%-8s ", tmp);
+
+ for (r = 0; r < fc->ncols; r++)
+ {
+ if (fc->col_type[r] != DW_CFA_unreferenced)
+ {
+ switch (fc->col_type[r])
+ {
+ case DW_CFA_undefined:
+ strcpy (tmp, "u");
+ break;
+ case DW_CFA_same_value:
+ strcpy (tmp, "s");
+ break;
+ case DW_CFA_offset:
+ sprintf (tmp, "c%+d", fc->col_offset[r]);
+ break;
+ case DW_CFA_val_offset:
+ sprintf (tmp, "v%+d", fc->col_offset[r]);
+ break;
+ case DW_CFA_register:
+ sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
+ break;
+ case DW_CFA_expression:
+ strcpy (tmp, "exp");
+ break;
+ case DW_CFA_val_expression:
+ strcpy (tmp, "vexp");
+ break;
+ default:
+ strcpy (tmp, "n/a");
+ break;
+ }
+ printf ("%-5s ", tmp);
+ }
+ }
+ printf ("\n");
+}
+
+#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
+
+static unsigned char *
+read_cie (unsigned char *start, unsigned char *end,
+ Frame_Chunk **p_cie, int *p_version,
+ bfd_size_type *p_aug_len, unsigned char **p_aug)
+{
+ int version;
+ Frame_Chunk *fc;
+ unsigned int length_return;
+ unsigned char *augmentation_data = NULL;
+ bfd_size_type augmentation_data_len = 0;
+
+ * p_cie = NULL;
+ /* PR 17512: file: 001-228113-0.004. */
+ if (start >= end)
+ return end;
+
+ fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
+ memset (fc, 0, sizeof (Frame_Chunk));
+
+ fc->col_type = (short int *) xmalloc (sizeof (short int));
+ fc->col_offset = (int *) xmalloc (sizeof (int));
+
+ version = *start++;
+
+ fc->augmentation = (char *) start;
+ /* PR 17512: file: 001-228113-0.004.
+ Skip past augmentation name, but avoid running off the end of the data. */
+ while (start < end)
+ if (* start ++ == '\0')
+ break;
+ if (start == end)
+ {
+ warn (_("No terminator for augmentation name\n"));
+ goto fail;
+ }
+
+ if (strcmp (fc->augmentation, "eh") == 0)
+ start += eh_addr_size;
+
+ if (version >= 4)
+ {
+ GET (fc->ptr_size, 1);
+ if (fc->ptr_size < 1 || fc->ptr_size > 8)
+ {
+ warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
+ goto fail;
+ }
+
+ GET (fc->segment_size, 1);
+ /* PR 17512: file: e99d2804. */
+ if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
+ {
+ warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
+ goto fail;
+ }
+
+ eh_addr_size = fc->ptr_size;
+ }
+ else
+ {
+ fc->ptr_size = eh_addr_size;
+ fc->segment_size = 0;
+ }
+
+ READ_ULEB (fc->code_factor);
+ READ_SLEB (fc->data_factor);
+
+ if (version == 1)
+ {
+ GET (fc->ra, 1);
+ }
+ else
+ {
+ READ_ULEB (fc->ra);
+ }
+
+ if (fc->augmentation[0] == 'z')
+ {
+ READ_ULEB (augmentation_data_len);
+ augmentation_data = start;
+ /* PR 17512: file: 11042-2589-0.004. */
+ if (augmentation_data_len > (bfd_size_type) (end - start))
+ {
+ warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
+ dwarf_vmatoa ("x", augmentation_data_len),
+ (unsigned long) (end - start));
+ goto fail;
+ }
+ start += augmentation_data_len;
+ }
+
+ if (augmentation_data_len)
+ {
+ unsigned char *p;
+ unsigned char *q;
+ unsigned char *qend;
+
+ p = (unsigned char *) fc->augmentation + 1;
+ q = augmentation_data;
+ qend = q + augmentation_data_len;
+
+ while (p < end && q < qend)
+ {
+ if (*p == 'L')
+ q++;
+ else if (*p == 'P')
+ q += 1 + size_of_encoded_value (*q);
+ else if (*p == 'R')
+ fc->fde_encoding = *q++;
+ else if (*p == 'S')
+ ;
+ else if (*p == 'B')
+ ;
+ else
+ break;
+ p++;
+ }
+ /* Note - it is OK if this loop terminates with q < qend.
+ Padding may have been inserted to align the end of the CIE. */
+ }
+
+ *p_cie = fc;
+ if (p_version)
+ *p_version = version;
+ if (p_aug_len)
+ {
+ *p_aug_len = augmentation_data_len;
+ *p_aug = augmentation_data;
+ }
+ return start;
+
+ fail:
+ free (fc->col_offset);
+ free (fc->col_type);
+ free (fc);
+ return end;
+}
+
+/* Prints out the contents on the DATA array formatted as unsigned bytes.
+ If do_wide is not enabled, then formats the output to fit into 80 columns.
+ PRINTED contains the number of characters already written to the current
+ output line. */
+
+static void
+display_data (bfd_size_type printed,
+ const unsigned char * data,
+ const bfd_size_type len)
+{
+ if (do_wide || len < ((80 - printed) / 3))
+ for (printed = 0; printed < len; ++printed)
+ printf (" %02x", data[printed]);
+ else
+ {
+ for (printed = 0; printed < len; ++printed)
+ {
+ if (printed % (80 / 3) == 0)
+ putchar ('\n');
+ printf (" %02x", data[printed]);
+ }
+ }
+}
+
+/* Prints out the contents on the augmentation data array.
+ If do_wide is not enabled, then formats the output to fit into 80 columns. */
+
+static void
+display_augmentation_data (const unsigned char * data, const bfd_size_type len)
+{
+ bfd_size_type i;
+
+ i = printf (_(" Augmentation data: "));
+ display_data (i, data, len);
+}
+
+static int
+display_debug_frames (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *start = section->start;
+ unsigned char *end = start + section->size;
+ unsigned char *section_start = start;
+ Frame_Chunk *chunks = NULL, *forward_refs = NULL;
+ Frame_Chunk *remembered_state = NULL;
+ Frame_Chunk *rs;
+ bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0;
+ unsigned int length_return;
+ unsigned int max_regs = 0;
+ const char *bad_reg = _("bad register: ");
+ unsigned int saved_eh_addr_size = eh_addr_size;
+
+ introduce (section, FALSE);
+
+ while (start < end)
+ {
+ unsigned char *saved_start;
+ unsigned char *block_end;
+ dwarf_vma length;
+ dwarf_vma cie_id;
+ Frame_Chunk *fc;
+ Frame_Chunk *cie;
+ int need_col_headers = 1;
+ unsigned char *augmentation_data = NULL;
+ bfd_size_type augmentation_data_len = 0;
+ unsigned int encoded_ptr_size = saved_eh_addr_size;
+ unsigned int offset_size;
+ unsigned int initial_length_size;
+ bfd_boolean all_nops;
+
+ saved_start = start;
+
+ SAFE_BYTE_GET_AND_INC (length, start, 4, end);
+
+ if (length == 0)
+ {
+ printf ("\n%08lx ZERO terminator\n\n",
+ (unsigned long)(saved_start - section_start));
+ /* Skip any zero terminators that directly follow.
+ A corrupt section size could have loaded a whole
+ slew of zero filled memory bytes. eg
+ PR 17512: file: 070-19381-0.004. */
+ while (start < end && * start == 0)
+ ++ start;
+ continue;
+ }
+
+ if (length == 0xffffffff)
+ {
+ SAFE_BYTE_GET_AND_INC (length, start, 8, end);
+ offset_size = 8;
+ initial_length_size = 12;
+ }
+ else
+ {
+ offset_size = 4;
+ initial_length_size = 4;
+ }
+
+ block_end = saved_start + length + initial_length_size;
+ if (block_end > end || block_end < start)
+ {
+ warn ("Invalid length 0x%s in FDE at %#08lx\n",
+ dwarf_vmatoa_1 (NULL, length, offset_size),
+ (unsigned long) (saved_start - section_start));
+ block_end = end;
+ }
+
+ SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
+
+ if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
+ || (offset_size == 8 && cie_id == DW64_CIE_ID)))
+ {
+ int version;
+ unsigned int mreg;
+
+ start = read_cie (start, end, &cie, &version,
+ &augmentation_data_len, &augmentation_data);
+ /* PR 17512: file: 027-135133-0.005. */
+ if (cie == NULL)
+ break;
+
+ fc = cie;
+ fc->next = chunks;
+ chunks = fc;
+ fc->chunk_start = saved_start;
+ mreg = max_regs > 0 ? max_regs - 1 : 0;
+ if (mreg < fc->ra)
+ mreg = fc->ra;
+ if (frame_need_space (fc, mreg) < 0)
+ break;
+ if (fc->fde_encoding)
+ encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
+
+ printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
+ print_dwarf_vma (length, fc->ptr_size);
+ print_dwarf_vma (cie_id, offset_size);
+
+ if (do_debug_frames_interp)
+ {
+ printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
+ fc->code_factor, fc->data_factor, fc->ra);
+ }
+ else
+ {
+ printf ("CIE\n");
+ printf (" Version: %d\n", version);
+ printf (" Augmentation: \"%s\"\n", fc->augmentation);
+ if (version >= 4)
+ {
+ printf (" Pointer Size: %u\n", fc->ptr_size);
+ printf (" Segment Size: %u\n", fc->segment_size);
+ }
+ printf (" Code alignment factor: %u\n", fc->code_factor);
+ printf (" Data alignment factor: %d\n", fc->data_factor);
+ printf (" Return address column: %d\n", fc->ra);
+
+ if (augmentation_data_len)
+ display_augmentation_data (augmentation_data, augmentation_data_len);
+
+ putchar ('\n');
+ }
+ }
+ else
+ {
+ unsigned char *look_for;
+ static Frame_Chunk fde_fc;
+ unsigned long segment_selector;
+
+ if (is_eh)
+ {
+ dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
+ look_for = start - 4 - ((cie_id ^ sign) - sign);
+ }
+ else
+ look_for = section_start + cie_id;
+
+ if (look_for <= saved_start)
+ {
+ for (cie = chunks; cie ; cie = cie->next)
+ if (cie->chunk_start == look_for)
+ break;
+ }
+ else
+ {
+ for (cie = forward_refs; cie ; cie = cie->next)
+ if (cie->chunk_start == look_for)
+ break;
+ if (!cie)
+ {
+ unsigned int off_size;
+ unsigned char *cie_scan;
+
+ cie_scan = look_for;
+ off_size = 4;
+ SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
+ if (length == 0xffffffff)
+ {
+ SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
+ off_size = 8;
+ }
+ if (length != 0)
+ {
+ dwarf_vma c_id;
+
+ SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
+ if (is_eh
+ ? c_id == 0
+ : ((off_size == 4 && c_id == DW_CIE_ID)
+ || (off_size == 8 && c_id == DW64_CIE_ID)))
+ {
+ int version;
+ unsigned int mreg;
+
+ read_cie (cie_scan, end, &cie, &version,
+ &augmentation_data_len, &augmentation_data);
+ /* PR 17512: file: 3450-2098-0.004. */
+ if (cie == NULL)
+ {
+ warn (_("Failed to read CIE information\n"));
+ break;
+ }
+ cie->next = forward_refs;
+ forward_refs = cie;
+ cie->chunk_start = look_for;
+ mreg = max_regs > 0 ? max_regs - 1 : 0;
+ if (mreg < cie->ra)
+ mreg = cie->ra;
+ if (frame_need_space (cie, mreg) < 0)
+ {
+ warn (_("Invalid max register\n"));
+ break;
+ }
+ if (cie->fde_encoding)
+ encoded_ptr_size
+ = size_of_encoded_value (cie->fde_encoding);
+ }
+ }
+ }
+ }
+
+ fc = &fde_fc;
+ memset (fc, 0, sizeof (Frame_Chunk));
+
+ if (!cie)
+ {
+ warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
+ dwarf_vmatoa_1 (NULL, cie_id, offset_size),
+ (unsigned long) (saved_start - section_start));
+ fc->ncols = 0;
+ fc->col_type = (short int *) xmalloc (sizeof (short int));
+ fc->col_offset = (int *) xmalloc (sizeof (int));
+ if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
+ {
+ warn (_("Invalid max register\n"));
+ break;
+ }
+ cie = fc;
+ fc->augmentation = "";
+ fc->fde_encoding = 0;
+ fc->ptr_size = eh_addr_size;
+ fc->segment_size = 0;
+ }
+ else
+ {
+ fc->ncols = cie->ncols;
+ fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
+ fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
+ memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
+ memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
+ fc->augmentation = cie->augmentation;
+ fc->ptr_size = cie->ptr_size;
+ eh_addr_size = cie->ptr_size;
+ fc->segment_size = cie->segment_size;
+ fc->code_factor = cie->code_factor;
+ fc->data_factor = cie->data_factor;
+ fc->cfa_reg = cie->cfa_reg;
+ fc->cfa_offset = cie->cfa_offset;
+ fc->ra = cie->ra;
+ if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
+ {
+ warn (_("Invalid max register\n"));
+ break;
+ }
+ fc->fde_encoding = cie->fde_encoding;
+ }
+
+ if (fc->fde_encoding)
+ encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
+
+ segment_selector = 0;
+ if (fc->segment_size)
+ {
+ if (fc->segment_size > sizeof (segment_selector))
+ {
+ /* PR 17512: file: 9e196b3e. */
+ warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
+ fc->segment_size = 4;
+ }
+ SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
+ }
+
+ fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
+
+ /* FIXME: It appears that sometimes the final pc_range value is
+ encoded in less than encoded_ptr_size bytes. See the x86_64
+ run of the "objcopy on compressed debug sections" test for an
+ example of this. */
+ SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
+
+ if (cie->augmentation[0] == 'z')
+ {
+ READ_ULEB (augmentation_data_len);
+ augmentation_data = start;
+ /* PR 17512 file: 722-8446-0.004 and PR 22386. */
+ if (augmentation_data_len > (bfd_size_type) (end - start))
+ {
+ warn (_("Augmentation data too long: 0x%s, "
+ "expected at most %#lx\n"),
+ dwarf_vmatoa ("x", augmentation_data_len),
+ (unsigned long) (end - start));
+ start = end;
+ augmentation_data = NULL;
+ augmentation_data_len = 0;
+ }
+ start += augmentation_data_len;
+ }
+
+ printf ("\n%08lx %s %s FDE cie=%08lx pc=",
+ (unsigned long)(saved_start - section_start),
+ dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
+ dwarf_vmatoa_1 (NULL, cie_id, offset_size),
+ (unsigned long)(cie->chunk_start - section_start));
+
+ if (fc->segment_size)
+ printf ("%04lx:", segment_selector);
+
+ printf ("%s..%s\n",
+ dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
+ dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
+
+ if (! do_debug_frames_interp && augmentation_data_len)
+ {
+ display_augmentation_data (augmentation_data, augmentation_data_len);
+ putchar ('\n');
+ }
+ }
+
+ /* At this point, fc is the current chunk, cie (if any) is set, and
+ we're about to interpret instructions for the chunk. */
+ /* ??? At present we need to do this always, since this sizes the
+ fc->col_type and fc->col_offset arrays, which we write into always.
+ We should probably split the interpreted and non-interpreted bits
+ into two different routines, since there's so much that doesn't
+ really overlap between them. */
+ if (1 || do_debug_frames_interp)
+ {
+ /* Start by making a pass over the chunk, allocating storage
+ and taking note of what registers are used. */
+ unsigned char *tmp = start;
+
+ while (start < block_end)
+ {
+ unsigned int reg, op, opa;
+ unsigned long temp;
+ unsigned char * new_start;
+
+ op = *start++;
+ opa = op & 0x3f;
+ if (op & 0xc0)
+ op &= 0xc0;
+
+ /* Warning: if you add any more cases to this switch, be
+ sure to add them to the corresponding switch below. */
+ switch (op)
+ {
+ case DW_CFA_advance_loc:
+ break;
+ case DW_CFA_offset:
+ SKIP_ULEB ();
+ if (frame_need_space (fc, opa) >= 0)
+ fc->col_type[opa] = DW_CFA_undefined;
+ break;
+ case DW_CFA_restore:
+ if (frame_need_space (fc, opa) >= 0)
+ fc->col_type[opa] = DW_CFA_undefined;
+ break;
+ case DW_CFA_set_loc:
+ start += encoded_ptr_size;
+ break;
+ case DW_CFA_advance_loc1:
+ start += 1;
+ break;
+ case DW_CFA_advance_loc2:
+ start += 2;
+ break;
+ case DW_CFA_advance_loc4:
+ start += 4;
+ break;
+ case DW_CFA_offset_extended:
+ case DW_CFA_val_offset:
+ READ_ULEB (reg);
+ SKIP_ULEB ();
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_restore_extended:
+ READ_ULEB (reg);
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_undefined:
+ READ_ULEB (reg);
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_same_value:
+ READ_ULEB (reg);
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_register:
+ READ_ULEB (reg);
+ SKIP_ULEB ();
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_def_cfa:
+ SKIP_ULEB ();
+ SKIP_ULEB ();
+ break;
+ case DW_CFA_def_cfa_register:
+ SKIP_ULEB ();
+ break;
+ case DW_CFA_def_cfa_offset:
+ SKIP_ULEB ();
+ break;
+ case DW_CFA_def_cfa_expression:
+ READ_ULEB (temp);
+ new_start = start + temp;
+ if (new_start < start)
+ {
+ warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
+ start = block_end;
+ }
+ else
+ start = new_start;
+ break;
+ case DW_CFA_expression:
+ case DW_CFA_val_expression:
+ READ_ULEB (reg);
+ READ_ULEB (temp);
+ new_start = start + temp;
+ if (new_start < start)
+ {
+ /* PR 17512: file:306-192417-0.005. */
+ warn (_("Corrupt CFA expression value: %lu\n"), temp);
+ start = block_end;
+ }
+ else
+ start = new_start;
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_offset_extended_sf:
+ case DW_CFA_val_offset_sf:
+ READ_ULEB (reg);
+ SKIP_SLEB ();
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ case DW_CFA_def_cfa_sf:
+ SKIP_ULEB ();
+ SKIP_SLEB ();
+ break;
+ case DW_CFA_def_cfa_offset_sf:
+ SKIP_SLEB ();
+ break;
+ case DW_CFA_MIPS_advance_loc8:
+ start += 8;
+ break;
+ case DW_CFA_GNU_args_size:
+ SKIP_ULEB ();
+ break;
+ case DW_CFA_GNU_negative_offset_extended:
+ READ_ULEB (reg);
+ SKIP_ULEB ();
+ if (frame_need_space (fc, reg) >= 0)
+ fc->col_type[reg] = DW_CFA_undefined;
+ break;
+ default:
+ break;
+ }
+ }
+ start = tmp;
+ }
+
+ all_nops = TRUE;
+
+ /* Now we know what registers are used, make a second pass over
+ the chunk, this time actually printing out the info. */
+
+ while (start < block_end)
+ {
+ unsigned char * tmp;
+ unsigned op, opa;
+ unsigned long ul, roffs;
+ /* Note: It is tempting to use an unsigned long for 'reg' but there
+ are various functions, notably frame_space_needed() that assume that
+ reg is an unsigned int. */
+ unsigned int reg;
+ dwarf_signed_vma l;
+ dwarf_vma ofs;
+ dwarf_vma vma;
+ const char *reg_prefix = "";
+
+ op = *start++;
+ opa = op & 0x3f;
+ if (op & 0xc0)
+ op &= 0xc0;
+
+ /* Make a note if something other than DW_CFA_nop happens. */
+ if (op != DW_CFA_nop)
+ all_nops = FALSE;
+
+ /* Warning: if you add any more cases to this switch, be
+ sure to add them to the corresponding switch above. */
+ switch (op)
+ {
+ case DW_CFA_advance_loc:
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc: %d to %s\n",
+ opa * fc->code_factor,
+ dwarf_vmatoa_1 (NULL,
+ fc->pc_begin + opa * fc->code_factor,
+ fc->ptr_size));
+ fc->pc_begin += opa * fc->code_factor;
+ break;
+
+ case DW_CFA_offset:
+ READ_ULEB (roffs);
+ if (opa >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
+ reg_prefix, regname (opa, 0),
+ roffs * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[opa] = DW_CFA_offset;
+ fc->col_offset[opa] = roffs * fc->data_factor;
+ }
+ break;
+
+ case DW_CFA_restore:
+ if (opa >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_restore: %s%s\n",
+ reg_prefix, regname (opa, 0));
+ if (*reg_prefix != '\0')
+ break;
+
+ if (opa >= (unsigned int) cie->ncols
+ || (do_debug_frames_interp
+ && cie->col_type[opa] == DW_CFA_unreferenced))
+ {
+ fc->col_type[opa] = DW_CFA_undefined;
+ fc->col_offset[opa] = 0;
+ }
+ else
+ {
+ fc->col_type[opa] = cie->col_type[opa];
+ fc->col_offset[opa] = cie->col_offset[opa];
+ }
+ break;
+
+ case DW_CFA_set_loc:
+ vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_set_loc: %s\n",
+ dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
+ fc->pc_begin = vma;
+ break;
+
+ case DW_CFA_advance_loc1:
+ SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc1: %ld to %s\n",
+ (unsigned long) (ofs * fc->code_factor),
+ dwarf_vmatoa_1 (NULL,
+ fc->pc_begin + ofs * fc->code_factor,
+ fc->ptr_size));
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_advance_loc2:
+ SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc2: %ld to %s\n",
+ (unsigned long) (ofs * fc->code_factor),
+ dwarf_vmatoa_1 (NULL,
+ fc->pc_begin + ofs * fc->code_factor,
+ fc->ptr_size));
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_advance_loc4:
+ SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_advance_loc4: %ld to %s\n",
+ (unsigned long) (ofs * fc->code_factor),
+ dwarf_vmatoa_1 (NULL,
+ fc->pc_begin + ofs * fc->code_factor,
+ fc->ptr_size));
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_offset_extended:
+ READ_ULEB (reg);
+ READ_ULEB (roffs);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ roffs * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = roffs * fc->data_factor;
+ }
+ break;
+
+ case DW_CFA_val_offset:
+ READ_ULEB (reg);
+ READ_ULEB (roffs);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ roffs * fc->data_factor);
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_val_offset;
+ fc->col_offset[reg] = roffs * fc->data_factor;
+ }
+ break;
+
+ case DW_CFA_restore_extended:
+ READ_ULEB (reg);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_restore_extended: %s%s\n",
+ reg_prefix, regname (reg, 0));
+ if (*reg_prefix != '\0')
+ break;
+
+ if (reg >= (unsigned int) cie->ncols)
+ {
+ fc->col_type[reg] = DW_CFA_undefined;
+ fc->col_offset[reg] = 0;
+ }
+ else
+ {
+ fc->col_type[reg] = cie->col_type[reg];
+ fc->col_offset[reg] = cie->col_offset[reg];
+ }
+ break;
+
+ case DW_CFA_undefined:
+ READ_ULEB (reg);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_undefined: %s%s\n",
+ reg_prefix, regname (reg, 0));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_undefined;
+ fc->col_offset[reg] = 0;
+ }
+ break;
+
+ case DW_CFA_same_value:
+ READ_ULEB (reg);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_same_value: %s%s\n",
+ reg_prefix, regname (reg, 0));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_same_value;
+ fc->col_offset[reg] = 0;
+ }
+ break;
+
+ case DW_CFA_register:
+ READ_ULEB (reg);
+ READ_ULEB (roffs);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ {
+ printf (" DW_CFA_register: %s%s in ",
+ reg_prefix, regname (reg, 0));
+ puts (regname (roffs, 0));
+ }
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_register;
+ fc->col_offset[reg] = roffs;
+ }
+ break;
+
+ case DW_CFA_remember_state:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_remember_state\n");
+ rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
+ rs->cfa_offset = fc->cfa_offset;
+ rs->cfa_reg = fc->cfa_reg;
+ rs->ra = fc->ra;
+ rs->cfa_exp = fc->cfa_exp;
+ rs->ncols = fc->ncols;
+ rs->col_type = (short int *) xcmalloc (rs->ncols,
+ sizeof (* rs->col_type));
+ rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
+ memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
+ memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
+ rs->next = remembered_state;
+ remembered_state = rs;
+ break;
+
+ case DW_CFA_restore_state:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_restore_state\n");
+ rs = remembered_state;
+ if (rs)
+ {
+ remembered_state = rs->next;
+ fc->cfa_offset = rs->cfa_offset;
+ fc->cfa_reg = rs->cfa_reg;
+ fc->ra = rs->ra;
+ fc->cfa_exp = rs->cfa_exp;
+ if (frame_need_space (fc, rs->ncols - 1) < 0)
+ {
+ warn (_("Invalid column number in saved frame state\n"));
+ fc->ncols = 0;
+ break;
+ }
+ memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
+ memcpy (fc->col_offset, rs->col_offset,
+ rs->ncols * sizeof (* rs->col_offset));
+ free (rs->col_type);
+ free (rs->col_offset);
+ free (rs);
+ }
+ else if (do_debug_frames_interp)
+ printf ("Mismatched DW_CFA_restore_state\n");
+ break;
+
+ case DW_CFA_def_cfa:
+ READ_ULEB (fc->cfa_reg);
+ READ_ULEB (fc->cfa_offset);
+ fc->cfa_exp = 0;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa: %s ofs %d\n",
+ regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
+ break;
+
+ case DW_CFA_def_cfa_register:
+ READ_ULEB (fc->cfa_reg);
+ fc->cfa_exp = 0;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_register: %s\n",
+ regname (fc->cfa_reg, 0));
+ break;
+
+ case DW_CFA_def_cfa_offset:
+ READ_ULEB (fc->cfa_offset);
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
+ break;
+
+ case DW_CFA_nop:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_nop\n");
+ break;
+
+ case DW_CFA_def_cfa_expression:
+ READ_ULEB (ul);
+ if (start >= block_end || ul > (unsigned long) (block_end - start))
+ {
+ printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
+ break;
+ }
+ if (! do_debug_frames_interp)
+ {
+ printf (" DW_CFA_def_cfa_expression (");
+ decode_location_expression (start, eh_addr_size, 0, -1,
+ ul, 0, section);
+ printf (")\n");
+ }
+ fc->cfa_exp = 1;
+ start += ul;
+ break;
+
+ case DW_CFA_expression:
+ READ_ULEB (reg);
+ READ_ULEB (ul);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ /* PR 17512: file: 069-133014-0.006. */
+ /* PR 17512: file: 98c02eb4. */
+ tmp = start + ul;
+ if (start >= block_end || tmp > block_end || tmp < start)
+ {
+ printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
+ break;
+ }
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ {
+ printf (" DW_CFA_expression: %s%s (",
+ reg_prefix, regname (reg, 0));
+ decode_location_expression (start, eh_addr_size, 0, -1,
+ ul, 0, section);
+ printf (")\n");
+ }
+ if (*reg_prefix == '\0')
+ fc->col_type[reg] = DW_CFA_expression;
+ start = tmp;
+ break;
+
+ case DW_CFA_val_expression:
+ READ_ULEB (reg);
+ READ_ULEB (ul);
+ if (reg >= (unsigned int) fc->ncols)
+ reg_prefix = bad_reg;
+ tmp = start + ul;
+ if (start >= block_end || tmp > block_end || tmp < start)
+ {
+ printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
+ break;
+ }
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ {
+ printf (" DW_CFA_val_expression: %s%s (",
+ reg_prefix, regname (reg, 0));
+ decode_location_expression (start, eh_addr_size, 0, -1,
+ ul, 0, section);
+ printf (")\n");
+ }
+ if (*reg_prefix == '\0')
+ fc->col_type[reg] = DW_CFA_val_expression;
+ start = tmp;
+ break;
+
+ case DW_CFA_offset_extended_sf:
+ READ_ULEB (reg);
+ READ_SLEB (l);
+ if (frame_need_space (fc, reg) < 0)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ (long)(l * fc->data_factor));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ }
+ break;
+
+ case DW_CFA_val_offset_sf:
+ READ_ULEB (reg);
+ READ_SLEB (l);
+ if (frame_need_space (fc, reg) < 0)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ (long)(l * fc->data_factor));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_val_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ }
+ break;
+
+ case DW_CFA_def_cfa_sf:
+ READ_ULEB (fc->cfa_reg);
+ READ_ULEB (fc->cfa_offset);
+ fc->cfa_offset = fc->cfa_offset * fc->data_factor;
+ fc->cfa_exp = 0;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
+ regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
+ break;
+
+ case DW_CFA_def_cfa_offset_sf:
+ READ_ULEB (fc->cfa_offset);
+ fc->cfa_offset *= fc->data_factor;
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
+ break;
+
+ case DW_CFA_MIPS_advance_loc8:
+ SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
+ if (do_debug_frames_interp)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+ else
+ printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
+ (unsigned long) (ofs * fc->code_factor),
+ dwarf_vmatoa_1 (NULL,
+ fc->pc_begin + ofs * fc->code_factor,
+ fc->ptr_size));
+ fc->pc_begin += ofs * fc->code_factor;
+ break;
+
+ case DW_CFA_GNU_window_save:
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_GNU_window_save\n");
+ break;
+
+ case DW_CFA_GNU_args_size:
+ READ_ULEB (ul);
+ if (! do_debug_frames_interp)
+ printf (" DW_CFA_GNU_args_size: %ld\n", ul);
+ break;
+
+ case DW_CFA_GNU_negative_offset_extended:
+ READ_ULEB (reg);
+ READ_SLEB (l);
+ l = - l;
+ if (frame_need_space (fc, reg) < 0)
+ reg_prefix = bad_reg;
+ if (! do_debug_frames_interp || *reg_prefix != '\0')
+ printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
+ reg_prefix, regname (reg, 0),
+ (long)(l * fc->data_factor));
+ if (*reg_prefix == '\0')
+ {
+ fc->col_type[reg] = DW_CFA_offset;
+ fc->col_offset[reg] = l * fc->data_factor;
+ }
+ break;
+
+ default:
+ if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
+ printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
+ else
+ warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
+ start = block_end;
+ }
+ }
+
+ /* Interpret the CFA - as long as it is not completely full of NOPs. */
+ if (do_debug_frames_interp && ! all_nops)
+ frame_display_row (fc, &need_col_headers, &max_regs);
+
+ start = block_end;
+ eh_addr_size = saved_eh_addr_size;
+ }
+
+ printf ("\n");
+
+ while (remembered_state != NULL)
+ {
+ rs = remembered_state;
+ remembered_state = rs->next;
+ free (rs->col_type);
+ free (rs->col_offset);
+ rs->next = NULL; /* Paranoia. */
+ free (rs);
+ }
+
+ while (chunks != NULL)
+ {
+ rs = chunks;
+ chunks = rs->next;
+ free (rs->col_type);
+ free (rs->col_offset);
+ rs->next = NULL; /* Paranoia. */
+ free (rs);
+ }
+
+ while (forward_refs != NULL)
+ {
+ rs = forward_refs;
+ forward_refs = rs->next;
+ free (rs->col_type);
+ free (rs->col_offset);
+ rs->next = NULL; /* Paranoia. */
+ free (rs);
+ }
+
+ return 1;
+}
+
+#undef GET
+
+static int
+display_debug_names (struct dwarf_section *section, void *file)
+{
+ unsigned char *hdrptr = section->start;
+ dwarf_vma unit_length;
+ unsigned char *unit_start;
+ const unsigned char *const section_end = section->start + section->size;
+ unsigned char *unit_end;
+
+ introduce (section, FALSE);
+
+ load_debug_section_with_follow (str, file);
+
+ for (; hdrptr < section_end; hdrptr = unit_end)
+ {
+ unsigned int offset_size;
+ uint16_t dwarf_version, padding;
+ uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
+ uint32_t bucket_count, name_count, abbrev_table_size;
+ uint32_t augmentation_string_size;
+ unsigned int i;
+ unsigned long sec_off;
+ bfd_boolean augmentation_printable;
+ const char *augmentation_string;
+
+ unit_start = hdrptr;
+
+ /* Get and check the length of the block. */
+ SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
+
+ if (unit_length == 0xffffffff)
{
- unsigned op, opa;
- unsigned long ul, reg, roffs;
- long l, ofs;
- dwarf_vma vma;
- const char *reg_prefix = "";
+ /* This section is 64-bit DWARF. */
+ SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
+ offset_size = 8;
+ }
+ else
+ offset_size = 4;
+ unit_end = hdrptr + unit_length;
- op = *start++;
- opa = op & 0x3f;
- if (op & 0xc0)
- op &= 0xc0;
+ sec_off = hdrptr - section->start;
+ if (sec_off + unit_length < sec_off
+ || sec_off + unit_length > section->size)
+ {
+ warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
+ section->name,
+ (unsigned long) (unit_start - section->start),
+ dwarf_vmatoa ("x", unit_length));
+ return 0;
+ }
- /* Warning: if you add any more cases to this switch, be
- sure to add them to the corresponding switch above. */
- switch (op)
+ /* Get and check the version number. */
+ SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
+ printf (_("Version %ld\n"), (long) dwarf_version);
+
+ /* Prior versions did not exist, and future versions may not be
+ backwards compatible. */
+ if (dwarf_version != 5)
+ {
+ warn (_("Only DWARF version 5 .debug_names "
+ "is currently supported.\n"));
+ return 0;
+ }
+
+ SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
+ if (padding != 0)
+ warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
+ padding);
+
+ SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
+ if (comp_unit_count == 0)
+ warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
+
+ SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
+ SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
+
+ SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
+ if (augmentation_string_size % 4 != 0)
+ {
+ warn (_("Augmentation string length %u must be rounded up "
+ "to a multiple of 4 in .debug_names.\n"),
+ augmentation_string_size);
+ augmentation_string_size += (-augmentation_string_size) & 3;
+ }
+
+ printf (_("Augmentation string:"));
+
+ augmentation_printable = TRUE;
+ augmentation_string = (const char *) hdrptr;
+
+ for (i = 0; i < augmentation_string_size; i++)
+ {
+ unsigned char uc;
+
+ SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
+ printf (" %02x", uc);
+
+ if (uc != 0 && !ISPRINT (uc))
+ augmentation_printable = FALSE;
+ }
+
+ if (augmentation_printable)
+ {
+ printf (" (\"");
+ for (i = 0;
+ i < augmentation_string_size && augmentation_string[i];
+ ++i)
+ putchar (augmentation_string[i]);
+ printf ("\")");
+ }
+ putchar ('\n');
+
+ printf (_("CU table:\n"));
+ for (i = 0; i < comp_unit_count; i++)
+ {
+ uint64_t cu_offset;
+
+ SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
+ printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
+ }
+ putchar ('\n');
+
+ printf (_("TU table:\n"));
+ for (i = 0; i < local_type_unit_count; i++)
+ {
+ uint64_t tu_offset;
+
+ SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
+ printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
+ }
+ putchar ('\n');
+
+ printf (_("Foreign TU table:\n"));
+ for (i = 0; i < foreign_type_unit_count; i++)
+ {
+ uint64_t signature;
+
+ SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
+ printf (_("[%3u] "), i);
+ print_dwarf_vma (signature, 8);
+ putchar ('\n');
+ }
+ putchar ('\n');
+
+ const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
+ hdrptr += bucket_count * sizeof (uint32_t);
+ const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
+ hdrptr += name_count * sizeof (uint32_t);
+ unsigned char *const name_table_string_offsets = hdrptr;
+ hdrptr += name_count * offset_size;
+ unsigned char *const name_table_entry_offsets = hdrptr;
+ hdrptr += name_count * offset_size;
+ unsigned char *const abbrev_table = hdrptr;
+ hdrptr += abbrev_table_size;
+ const unsigned char *const abbrev_table_end = hdrptr;
+ unsigned char *const entry_pool = hdrptr;
+ if (hdrptr > unit_end)
+ {
+ warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
+ "for unit 0x%lx in the debug_names\n"),
+ (long) (hdrptr - section->start),
+ (long) (unit_end - section->start),
+ (long) (unit_start - section->start));
+ return 0;
+ }
+
+ size_t buckets_filled = 0;
+ size_t bucketi;
+ for (bucketi = 0; bucketi < bucket_count; bucketi++)
+ {
+ const uint32_t bucket = hash_table_buckets[bucketi];
+
+ if (bucket != 0)
+ ++buckets_filled;
+ }
+ printf (ngettext ("Used %zu of %lu bucket.\n",
+ "Used %zu of %lu buckets.\n",
+ bucket_count),
+ buckets_filled, (unsigned long) bucket_count);
+
+ uint32_t hash_prev = 0;
+ size_t hash_clash_count = 0;
+ size_t longest_clash = 0;
+ size_t this_length = 0;
+ size_t hashi;
+ for (hashi = 0; hashi < name_count; hashi++)
+ {
+ const uint32_t hash_this = hash_table_hashes[hashi];
+
+ if (hashi > 0)
{
- case DW_CFA_advance_loc:
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
+ if (hash_prev % bucket_count == hash_this % bucket_count)
+ {
+ ++hash_clash_count;
+ ++this_length;
+ longest_clash = MAX (longest_clash, this_length);
+ }
else
- printf (" DW_CFA_advance_loc: %d to %08lx\n",
- opa * fc->code_factor,
- fc->pc_begin + opa * fc->code_factor);
- fc->pc_begin += opa * fc->code_factor;
- break;
+ this_length = 0;
+ }
+ hash_prev = hash_this;
+ }
+ printf (_("Out of %lu items there are %zu bucket clashes"
+ " (longest of %zu entries).\n"),
+ (unsigned long) name_count, hash_clash_count, longest_clash);
+ assert (name_count == buckets_filled + hash_clash_count);
- case DW_CFA_offset:
- roffs = LEB ();
- if (opa >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
- reg_prefix, regname (opa, 0),
- roffs * fc->data_factor);
- if (*reg_prefix == '\0')
+ struct abbrev_lookup_entry
+ {
+ dwarf_vma abbrev_tag;
+ unsigned char *abbrev_lookup_ptr;
+ };
+ struct abbrev_lookup_entry *abbrev_lookup = NULL;
+ size_t abbrev_lookup_used = 0;
+ size_t abbrev_lookup_allocated = 0;
+
+ unsigned char *abbrevptr = abbrev_table;
+ for (;;)
+ {
+ unsigned int bytes_read;
+ const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (abbrev_tag == 0)
+ break;
+ if (abbrev_lookup_used == abbrev_lookup_allocated)
+ {
+ abbrev_lookup_allocated = MAX (0x100,
+ abbrev_lookup_allocated * 2);
+ abbrev_lookup = xrealloc (abbrev_lookup,
+ (abbrev_lookup_allocated
+ * sizeof (*abbrev_lookup)));
+ }
+ assert (abbrev_lookup_used < abbrev_lookup_allocated);
+ struct abbrev_lookup_entry *entry;
+ for (entry = abbrev_lookup;
+ entry < abbrev_lookup + abbrev_lookup_used;
+ entry++)
+ if (entry->abbrev_tag == abbrev_tag)
+ {
+ warn (_("Duplicate abbreviation tag %lu "
+ "in unit 0x%lx in the debug_names\n"),
+ (long) abbrev_tag, (long) (unit_start - section->start));
+ break;
+ }
+ entry = &abbrev_lookup[abbrev_lookup_used++];
+ entry->abbrev_tag = abbrev_tag;
+ entry->abbrev_lookup_ptr = abbrevptr;
+
+ /* Skip DWARF tag. */
+ read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end);
+ abbrevptr += bytes_read;
+ for (;;)
+ {
+ const dwarf_vma xindex = read_uleb128 (abbrevptr,
+ &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (xindex == 0 && form == 0)
+ break;
+ }
+ }
+
+ printf (_("\nSymbol table:\n"));
+ uint32_t namei;
+ for (namei = 0; namei < name_count; ++namei)
+ {
+ uint64_t string_offset, entry_offset;
+
+ SAFE_BYTE_GET (string_offset,
+ name_table_string_offsets + namei * offset_size,
+ offset_size, unit_end);
+ SAFE_BYTE_GET (entry_offset,
+ name_table_entry_offsets + namei * offset_size,
+ offset_size, unit_end);
+
+ printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
+ fetch_indirect_string (string_offset));
+
+ unsigned char *entryptr = entry_pool + entry_offset;
+
+ // We need to scan first whether there is a single or multiple
+ // entries. TAGNO is -2 for the first entry, it is -1 for the
+ // initial tag read of the second entry, then it becomes 0 for the
+ // first entry for real printing etc.
+ int tagno = -2;
+ /* Initialize it due to a false compiler warning. */
+ dwarf_vma second_abbrev_tag = -1;
+ for (;;)
+ {
+ unsigned int bytes_read;
+ const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read,
+ unit_end);
+ entryptr += bytes_read;
+ if (tagno == -1)
{
- fc->col_type[opa] = DW_CFA_offset;
- fc->col_offset[opa] = roffs * fc->data_factor;
+ second_abbrev_tag = abbrev_tag;
+ tagno = 0;
+ entryptr = entry_pool + entry_offset;
+ continue;
}
- break;
-
- case DW_CFA_restore:
- if (opa >= (unsigned int) cie->ncols
- || opa >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_restore: %s%s\n",
- reg_prefix, regname (opa, 0));
- if (*reg_prefix == '\0')
+ if (abbrev_tag == 0)
+ break;
+ if (tagno >= 0)
+ printf ("%s<%lu>",
+ (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
+ (unsigned long) abbrev_tag);
+
+ const struct abbrev_lookup_entry *entry;
+ for (entry = abbrev_lookup;
+ entry < abbrev_lookup + abbrev_lookup_used;
+ entry++)
+ if (entry->abbrev_tag == abbrev_tag)
+ break;
+ if (entry >= abbrev_lookup + abbrev_lookup_used)
{
- fc->col_type[opa] = cie->col_type[opa];
- fc->col_offset[opa] = cie->col_offset[opa];
+ warn (_("Undefined abbreviation tag %lu "
+ "in unit 0x%lx in the debug_names\n"),
+ (long) abbrev_tag,
+ (long) (unit_start - section->start));
+ break;
}
- break;
+ abbrevptr = entry->abbrev_lookup_ptr;
+ const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (tagno >= 0)
+ printf (" %s", get_TAG_name (dwarf_tag));
+ for (;;)
+ {
+ const dwarf_vma xindex = read_uleb128 (abbrevptr,
+ &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
+ abbrev_table_end);
+ abbrevptr += bytes_read;
+ if (xindex == 0 && form == 0)
+ break;
- case DW_CFA_set_loc:
- vma = get_encoded_value (start, fc->fde_encoding);
- if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
- vma += section->address + (start - section_start);
- start += encoded_ptr_size;
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
- else
- printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma);
- fc->pc_begin = vma;
- break;
+ if (tagno >= 0)
+ printf (" %s", get_IDX_name (xindex));
+ entryptr = read_and_display_attr_value (0, form, 0, entryptr,
+ unit_end, 0, 0,
+ offset_size,
+ dwarf_version, NULL,
+ (tagno < 0), NULL,
+ NULL, '=');
+ }
+ ++tagno;
+ }
+ if (tagno <= 0)
+ printf (_(" <no entries>"));
+ putchar ('\n');
+ }
- case DW_CFA_advance_loc1:
- ofs = byte_get (start, 1); start += 1;
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
- else
- printf (" DW_CFA_advance_loc1: %ld to %08lx\n",
- ofs * fc->code_factor,
- fc->pc_begin + ofs * fc->code_factor);
- fc->pc_begin += ofs * fc->code_factor;
- break;
+ free (abbrev_lookup);
+ }
- case DW_CFA_advance_loc2:
- ofs = byte_get (start, 2); start += 2;
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
- else
- printf (" DW_CFA_advance_loc2: %ld to %08lx\n",
- ofs * fc->code_factor,
- fc->pc_begin + ofs * fc->code_factor);
- fc->pc_begin += ofs * fc->code_factor;
- break;
+ return 1;
+}
- case DW_CFA_advance_loc4:
- ofs = byte_get (start, 4); start += 4;
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
+static int
+display_debug_links (struct dwarf_section * section,
+ void * file ATTRIBUTE_UNUSED)
+{
+ const unsigned char * filename;
+ unsigned int filelen;
+
+ introduce (section, FALSE);
+
+ /* The .gnu_debuglink section is formatted as:
+ (c-string) Filename.
+ (padding) If needed to reach a 4 byte boundary.
+ (uint32_t) CRC32 value.
+
+ The .gun_debugaltlink section is formatted as:
+ (c-string) Filename.
+ (binary) Build-ID. */
+
+ filename = section->start;
+ filelen = strnlen ((const char *) filename, section->size);
+ if (filelen == section->size)
+ {
+ warn (_("The debuglink filename is corrupt/missing\n"));
+ return 0;
+ }
+
+ printf (_(" Separate debug info file: %s\n"), filename);
+
+ if (const_strneq (section->name, ".gnu_debuglink"))
+ {
+ unsigned int crc32;
+ unsigned int crc_offset;
+
+ crc_offset = filelen + 1;
+ crc_offset = (crc_offset + 3) & ~3;
+ if (crc_offset + 4 > section->size)
+ {
+ warn (_("CRC offset missing/truncated\n"));
+ return 0;
+ }
+
+ crc32 = byte_get (filename + crc_offset, 4);
+
+ printf (_(" CRC value: %#x\n"), crc32);
+
+ if (crc_offset + 4 < section->size)
+ {
+ warn (_("There are %#lx extraneous bytes at the end of the section\n"),
+ (long)(section->size - (crc_offset + 4)));
+ return 0;
+ }
+ }
+ else /* const_strneq (section->name, ".gnu_debugaltlink") */
+ {
+ const unsigned char * build_id = section->start + filelen + 1;
+ bfd_size_type build_id_len = section->size - (filelen + 1);
+ bfd_size_type printed;
+
+ /* FIXME: Should we support smaller build-id notes ? */
+ if (build_id_len < 0x14)
+ {
+ warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
+ return 0;
+ }
+
+ printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
+ display_data (printed, build_id, build_id_len);
+ putchar ('\n');
+ }
+
+ putchar ('\n');
+ return 1;
+}
+
+static int
+display_gdb_index (struct dwarf_section *section,
+ void *file ATTRIBUTE_UNUSED)
+{
+ unsigned char *start = section->start;
+ uint32_t version;
+ uint32_t cu_list_offset, tu_list_offset;
+ uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
+ unsigned int cu_list_elements, tu_list_elements;
+ unsigned int address_table_size, symbol_table_slots;
+ unsigned char *cu_list, *tu_list;
+ unsigned char *address_table, *symbol_table, *constant_pool;
+ unsigned int i;
+
+ /* The documentation for the format of this file is in gdb/dwarf2read.c. */
+
+ introduce (section, FALSE);
+
+ if (section->size < 6 * sizeof (uint32_t))
+ {
+ warn (_("Truncated header in the %s section.\n"), section->name);
+ return 0;
+ }
+
+ version = byte_get_little_endian (start, 4);
+ printf (_("Version %ld\n"), (long) version);
+
+ /* Prior versions are obsolete, and future versions may not be
+ backwards compatible. */
+ if (version < 3 || version > 8)
+ {
+ warn (_("Unsupported version %lu.\n"), (unsigned long) version);
+ return 0;
+ }
+ if (version < 4)
+ warn (_("The address table data in version 3 may be wrong.\n"));
+ if (version < 5)
+ warn (_("Version 4 does not support case insensitive lookups.\n"));
+ if (version < 6)
+ warn (_("Version 5 does not include inlined functions.\n"));
+ if (version < 7)
+ warn (_("Version 6 does not include symbol attributes.\n"));
+ /* Version 7 indices generated by Gold have bad type unit references,
+ PR binutils/15021. But we don't know if the index was generated by
+ Gold or not, so to avoid worrying users with gdb-generated indices
+ we say nothing for version 7 here. */
+
+ cu_list_offset = byte_get_little_endian (start + 4, 4);
+ tu_list_offset = byte_get_little_endian (start + 8, 4);
+ address_table_offset = byte_get_little_endian (start + 12, 4);
+ symbol_table_offset = byte_get_little_endian (start + 16, 4);
+ constant_pool_offset = byte_get_little_endian (start + 20, 4);
+
+ if (cu_list_offset > section->size
+ || tu_list_offset > section->size
+ || address_table_offset > section->size
+ || symbol_table_offset > section->size
+ || constant_pool_offset > section->size)
+ {
+ warn (_("Corrupt header in the %s section.\n"), section->name);
+ return 0;
+ }
+
+ /* PR 17531: file: 418d0a8a. */
+ if (tu_list_offset < cu_list_offset)
+ {
+ warn (_("TU offset (%x) is less than CU offset (%x)\n"),
+ tu_list_offset, cu_list_offset);
+ return 0;
+ }
+
+ cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
+
+ if (address_table_offset < tu_list_offset)
+ {
+ warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
+ address_table_offset, tu_list_offset);
+ return 0;
+ }
+
+ tu_list_elements = (address_table_offset - tu_list_offset) / 8;
+
+ /* PR 17531: file: 18a47d3d. */
+ if (symbol_table_offset < address_table_offset)
+ {
+ warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
+ symbol_table_offset, address_table_offset);
+ return 0;
+ }
+
+ address_table_size = symbol_table_offset - address_table_offset;
+
+ if (constant_pool_offset < symbol_table_offset)
+ {
+ warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
+ constant_pool_offset, symbol_table_offset);
+ return 0;
+ }
+
+ symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
+
+ cu_list = start + cu_list_offset;
+ tu_list = start + tu_list_offset;
+ address_table = start + address_table_offset;
+ symbol_table = start + symbol_table_offset;
+ constant_pool = start + constant_pool_offset;
+
+ if (address_table + address_table_size > section->start + section->size)
+ {
+ warn (_("Address table extends beyond end of section.\n"));
+ return 0;
+ }
+
+ printf (_("\nCU table:\n"));
+ for (i = 0; i < cu_list_elements; i += 2)
+ {
+ uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
+ uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
+
+ printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
+ (unsigned long) cu_offset,
+ (unsigned long) (cu_offset + cu_length - 1));
+ }
+
+ printf (_("\nTU table:\n"));
+ for (i = 0; i < tu_list_elements; i += 3)
+ {
+ uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
+ uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
+ uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
+
+ printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
+ (unsigned long) tu_offset,
+ (unsigned long) type_offset);
+ print_dwarf_vma (signature, 8);
+ printf ("\n");
+ }
+
+ printf (_("\nAddress table:\n"));
+ for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
+ i += 2 * 8 + 4)
+ {
+ uint64_t low = byte_get_little_endian (address_table + i, 8);
+ uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
+ uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
+
+ print_dwarf_vma (low, 8);
+ print_dwarf_vma (high, 8);
+ printf (_("%lu\n"), (unsigned long) cu_index);
+ }
+
+ printf (_("\nSymbol table:\n"));
+ for (i = 0; i < symbol_table_slots; ++i)
+ {
+ uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
+ uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
+ uint32_t num_cus, cu;
+
+ if (name_offset != 0
+ || cu_vector_offset != 0)
+ {
+ unsigned int j;
+ unsigned char * adr;
+
+ adr = constant_pool + name_offset;
+ /* PR 17531: file: 5b7b07ad. */
+ if (adr < constant_pool || adr >= section->start + section->size)
+ {
+ printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
+ warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
+ name_offset, i);
+ }
+ else
+ printf ("[%3u] %.*s:", i,
+ (int) (section->size - (constant_pool_offset + name_offset)),
+ constant_pool + name_offset);
+
+ adr = constant_pool + cu_vector_offset;
+ if (adr < constant_pool || adr >= section->start + section->size - 3)
+ {
+ printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
+ warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
+ cu_vector_offset, i);
+ continue;
+ }
+
+ num_cus = byte_get_little_endian (adr, 4);
+
+ adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
+ if (num_cus * 4 < num_cus
+ || adr >= section->start + section->size
+ || adr < constant_pool)
+ {
+ printf ("<invalid number of CUs: %d>\n", num_cus);
+ warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
+ num_cus, i);
+ continue;
+ }
+
+ if (num_cus > 1)
+ printf ("\n");
+
+ for (j = 0; j < num_cus; ++j)
+ {
+ int is_static;
+ gdb_index_symbol_kind kind;
+
+ cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
+ is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
+ kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
+ cu = GDB_INDEX_CU_VALUE (cu);
+ /* Convert to TU number if it's for a type unit. */
+ if (cu >= cu_list_elements / 2)
+ printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
+ (unsigned long) (cu - cu_list_elements / 2));
else
- printf (" DW_CFA_advance_loc4: %ld to %08lx\n",
- ofs * fc->code_factor,
- fc->pc_begin + ofs * fc->code_factor);
- fc->pc_begin += ofs * fc->code_factor;
- break;
+ printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
- case DW_CFA_offset_extended:
- reg = LEB ();
- roffs = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
- reg_prefix, regname (reg, 0),
- roffs * fc->data_factor);
- if (*reg_prefix == '\0')
- {
- fc->col_type[reg] = DW_CFA_offset;
- fc->col_offset[reg] = roffs * fc->data_factor;
- }
- break;
+ printf (" [%s, %s]",
+ is_static ? _("static") : _("global"),
+ get_gdb_index_symbol_kind_name (kind));
+ if (num_cus > 1)
+ printf ("\n");
+ }
+ if (num_cus <= 1)
+ printf ("\n");
+ }
+ }
+
+ return 1;
+}
+
+/* Pre-allocate enough space for the CU/TU sets needed. */
+
+static void
+prealloc_cu_tu_list (unsigned int nshndx)
+{
+ if (shndx_pool == NULL)
+ {
+ shndx_pool_size = nshndx;
+ shndx_pool_used = 0;
+ shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
+ sizeof (unsigned int));
+ }
+ else
+ {
+ shndx_pool_size = shndx_pool_used + nshndx;
+ shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
+ sizeof (unsigned int));
+ }
+}
+
+static void
+add_shndx_to_cu_tu_entry (unsigned int shndx)
+{
+ if (shndx_pool_used >= shndx_pool_size)
+ {
+ error (_("Internal error: out of space in the shndx pool.\n"));
+ return;
+ }
+ shndx_pool [shndx_pool_used++] = shndx;
+}
+
+static void
+end_cu_tu_entry (void)
+{
+ if (shndx_pool_used >= shndx_pool_size)
+ {
+ error (_("Internal error: out of space in the shndx pool.\n"));
+ return;
+ }
+ shndx_pool [shndx_pool_used++] = 0;
+}
+
+/* Return the short name of a DWARF section given by a DW_SECT enumerator. */
+
+static const char *
+get_DW_SECT_short_name (unsigned int dw_sect)
+{
+ static char buf[16];
+
+ switch (dw_sect)
+ {
+ case DW_SECT_INFO:
+ return "info";
+ case DW_SECT_TYPES:
+ return "types";
+ case DW_SECT_ABBREV:
+ return "abbrev";
+ case DW_SECT_LINE:
+ return "line";
+ case DW_SECT_LOC:
+ return "loc";
+ case DW_SECT_STR_OFFSETS:
+ return "str_off";
+ case DW_SECT_MACINFO:
+ return "macinfo";
+ case DW_SECT_MACRO:
+ return "macro";
+ default:
+ break;
+ }
+
+ snprintf (buf, sizeof (buf), "%d", dw_sect);
+ return buf;
+}
+
+/* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
+ These sections are extensions for Fission.
+ See http://gcc.gnu.org/wiki/DebugFissionDWP. */
+
+static int
+process_cu_tu_index (struct dwarf_section *section, int do_display)
+{
+ unsigned char *phdr = section->start;
+ unsigned char *limit = phdr + section->size;
+ unsigned char *phash;
+ unsigned char *pindex;
+ unsigned char *ppool;
+ unsigned int version;
+ unsigned int ncols = 0;
+ unsigned int nused;
+ unsigned int nslots;
+ unsigned int i;
+ unsigned int j;
+ dwarf_vma signature_high;
+ dwarf_vma signature_low;
+ char buf[64];
- case DW_CFA_val_offset:
- reg = LEB ();
- roffs = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_val_offset: %s%s at cfa%+ld\n",
- reg_prefix, regname (reg, 0),
- roffs * fc->data_factor);
- if (*reg_prefix == '\0')
- {
- fc->col_type[reg] = DW_CFA_val_offset;
- fc->col_offset[reg] = roffs * fc->data_factor;
- }
- break;
+ /* PR 17512: file: 002-168123-0.004. */
+ if (phdr == NULL)
+ {
+ warn (_("Section %s is empty\n"), section->name);
+ return 0;
+ }
+ /* PR 17512: file: 002-376-0.004. */
+ if (section->size < 24)
+ {
+ warn (_("Section %s is too small to contain a CU/TU header\n"),
+ section->name);
+ return 0;
+ }
- case DW_CFA_restore_extended:
- reg = LEB ();
- if (reg >= (unsigned int) cie->ncols
- || reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_restore_extended: %s%s\n",
- reg_prefix, regname (reg, 0));
- if (*reg_prefix == '\0')
- {
- fc->col_type[reg] = cie->col_type[reg];
- fc->col_offset[reg] = cie->col_offset[reg];
- }
- break;
+ SAFE_BYTE_GET (version, phdr, 4, limit);
+ if (version >= 2)
+ SAFE_BYTE_GET (ncols, phdr + 4, 4, limit);
+ SAFE_BYTE_GET (nused, phdr + 8, 4, limit);
+ SAFE_BYTE_GET (nslots, phdr + 12, 4, limit);
- case DW_CFA_undefined:
- reg = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_undefined: %s%s\n",
- reg_prefix, regname (reg, 0));
- if (*reg_prefix == '\0')
- {
- fc->col_type[reg] = DW_CFA_undefined;
- fc->col_offset[reg] = 0;
- }
- break;
+ phash = phdr + 16;
+ pindex = phash + (size_t) nslots * 8;
+ ppool = pindex + (size_t) nslots * 4;
- case DW_CFA_same_value:
- reg = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_same_value: %s%s\n",
- reg_prefix, regname (reg, 0));
- if (*reg_prefix == '\0')
- {
- fc->col_type[reg] = DW_CFA_same_value;
- fc->col_offset[reg] = 0;
- }
- break;
+ if (do_display)
+ {
+ introduce (section, FALSE);
- case DW_CFA_register:
- reg = LEB ();
- roffs = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- {
- printf (" DW_CFA_register: %s%s in ",
- reg_prefix, regname (reg, 0));
- puts (regname (roffs, 0));
- }
- if (*reg_prefix == '\0')
- {
- fc->col_type[reg] = DW_CFA_register;
- fc->col_offset[reg] = roffs;
- }
- break;
+ printf (_(" Version: %u\n"), version);
+ if (version >= 2)
+ printf (_(" Number of columns: %u\n"), ncols);
+ printf (_(" Number of used entries: %u\n"), nused);
+ printf (_(" Number of slots: %u\n\n"), nslots);
+ }
- case DW_CFA_remember_state:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_remember_state\n");
- rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
- rs->ncols = fc->ncols;
- rs->col_type = (short int *) xcmalloc (rs->ncols,
- sizeof (short int));
- rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (int));
- memcpy (rs->col_type, fc->col_type, rs->ncols);
- memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
- rs->next = remembered_state;
- remembered_state = rs;
- break;
+ /* PR 17531: file: 45d69832. */
+ if ((size_t) nslots * 8 / 8 != nslots
+ || phash < phdr || phash > limit
+ || pindex < phash || pindex > limit
+ || ppool < pindex || ppool > limit)
+ {
+ warn (ngettext ("Section %s is too small for %u slot\n",
+ "Section %s is too small for %u slots\n",
+ nslots),
+ section->name, nslots);
+ return 0;
+ }
- case DW_CFA_restore_state:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_restore_state\n");
- rs = remembered_state;
- if (rs)
+ if (version == 1)
+ {
+ if (!do_display)
+ prealloc_cu_tu_list ((limit - ppool) / 4);
+ for (i = 0; i < nslots; i++)
+ {
+ unsigned char *shndx_list;
+ unsigned int shndx;
+
+ SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit);
+ if (signature_high != 0 || signature_low != 0)
+ {
+ SAFE_BYTE_GET (j, pindex, 4, limit);
+ shndx_list = ppool + j * 4;
+ /* PR 17531: file: 705e010d. */
+ if (shndx_list < ppool)
{
- remembered_state = rs->next;
- frame_need_space (fc, rs->ncols - 1);
- memcpy (fc->col_type, rs->col_type, rs->ncols);
- memcpy (fc->col_offset, rs->col_offset,
- rs->ncols * sizeof (int));
- free (rs->col_type);
- free (rs->col_offset);
- free (rs);
+ warn (_("Section index pool located before start of section\n"));
+ return 0;
}
- else if (do_debug_frames_interp)
- printf ("Mismatched DW_CFA_restore_state\n");
- break;
- case DW_CFA_def_cfa:
- fc->cfa_reg = LEB ();
- fc->cfa_offset = LEB ();
- fc->cfa_exp = 0;
- if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa: %s ofs %d\n",
- regname (fc->cfa_reg, 0), fc->cfa_offset);
- break;
+ if (do_display)
+ printf (_(" [%3d] Signature: 0x%s Sections: "),
+ i, dwarf_vmatoa64 (signature_high, signature_low,
+ buf, sizeof (buf)));
+ for (;;)
+ {
+ if (shndx_list >= limit)
+ {
+ warn (_("Section %s too small for shndx pool\n"),
+ section->name);
+ return 0;
+ }
+ SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
+ if (shndx == 0)
+ break;
+ if (do_display)
+ printf (" %d", shndx);
+ else
+ add_shndx_to_cu_tu_entry (shndx);
+ shndx_list += 4;
+ }
+ if (do_display)
+ printf ("\n");
+ else
+ end_cu_tu_entry ();
+ }
+ phash += 8;
+ pindex += 4;
+ }
+ }
+ else if (version == 2)
+ {
+ unsigned int val;
+ unsigned int dw_sect;
+ unsigned char *ph = phash;
+ unsigned char *pi = pindex;
+ unsigned char *poffsets = ppool + (size_t) ncols * 4;
+ unsigned char *psizes = poffsets + (size_t) nused * ncols * 4;
+ unsigned char *pend = psizes + (size_t) nused * ncols * 4;
+ bfd_boolean is_tu_index;
+ struct cu_tu_set *this_set = NULL;
+ unsigned int row;
+ unsigned char *prow;
+
+ is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
+
+ /* PR 17531: file: 0dd159bf.
+ Check for integer overflow (can occur when size_t is 32-bit)
+ with overlarge ncols or nused values. */
+ if ((size_t) ncols * 4 / 4 != ncols
+ || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused
+ || poffsets < ppool || poffsets > limit
+ || psizes < poffsets || psizes > limit
+ || pend < psizes || pend > limit)
+ {
+ warn (_("Section %s too small for offset and size tables\n"),
+ section->name);
+ return 0;
+ }
- case DW_CFA_def_cfa_register:
- fc->cfa_reg = LEB ();
- fc->cfa_exp = 0;
- if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa_register: %s\n",
- regname (fc->cfa_reg, 0));
- break;
+ if (do_display)
+ {
+ printf (_(" Offset table\n"));
+ printf (" slot %-16s ",
+ is_tu_index ? _("signature") : _("dwo_id"));
+ }
+ else
+ {
+ if (is_tu_index)
+ {
+ tu_count = nused;
+ tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
+ this_set = tu_sets;
+ }
+ else
+ {
+ cu_count = nused;
+ cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
+ this_set = cu_sets;
+ }
+ }
- case DW_CFA_def_cfa_offset:
- fc->cfa_offset = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset);
- break;
+ if (do_display)
+ {
+ for (j = 0; j < ncols; j++)
+ {
+ SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
+ printf (" %8s", get_DW_SECT_short_name (dw_sect));
+ }
+ printf ("\n");
+ }
- case DW_CFA_nop:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_nop\n");
- break;
+ for (i = 0; i < nslots; i++)
+ {
+ SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
- case DW_CFA_def_cfa_expression:
- ul = LEB ();
- if (! do_debug_frames_interp)
+ SAFE_BYTE_GET (row, pi, 4, limit);
+ if (row != 0)
+ {
+ /* PR 17531: file: a05f6ab3. */
+ if (row > nused)
{
- printf (" DW_CFA_def_cfa_expression (");
- decode_location_expression (start, eh_addr_size, 0, -1,
- ul, 0, section);
- printf (")\n");
+ warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
+ row, nused);
+ return 0;
}
- fc->cfa_exp = 1;
- start += ul;
- break;
- case DW_CFA_expression:
- reg = LEB ();
- ul = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
+ if (!do_display)
{
- printf (" DW_CFA_expression: %s%s (",
- reg_prefix, regname (reg, 0));
- decode_location_expression (start, eh_addr_size, 0, -1,
- ul, 0, section);
- printf (")\n");
- }
- if (*reg_prefix == '\0')
- fc->col_type[reg] = DW_CFA_expression;
- start += ul;
- break;
+ size_t num_copy = sizeof (uint64_t);
- case DW_CFA_val_expression:
- reg = LEB ();
- ul = LEB ();
- if (reg >= (unsigned int) fc->ncols)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- {
- printf (" DW_CFA_val_expression: %s%s (",
- reg_prefix, regname (reg, 0));
- decode_location_expression (start, eh_addr_size, 0, -1,
- ul, 0, section);
- printf (")\n");
+ /* PR 23064: Beware of buffer overflow. */
+ if (ph + num_copy < limit)
+ memcpy (&this_set[row - 1].signature, ph, num_copy);
+ else
+ {
+ warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
+ return 0;
+ }
}
- if (*reg_prefix == '\0')
- fc->col_type[reg] = DW_CFA_val_expression;
- start += ul;
- break;
- case DW_CFA_offset_extended_sf:
- reg = LEB ();
- l = SLEB ();
- if (frame_need_space (fc, reg) < 0)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
- reg_prefix, regname (reg, 0),
- l * fc->data_factor);
- if (*reg_prefix == '\0')
+ prow = poffsets + (row - 1) * ncols * 4;
+ /* PR 17531: file: b8ce60a8. */
+ if (prow < poffsets || prow > limit)
{
- fc->col_type[reg] = DW_CFA_offset;
- fc->col_offset[reg] = l * fc->data_factor;
+ warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
+ row, ncols);
+ return 0;
}
- break;
- case DW_CFA_val_offset_sf:
- reg = LEB ();
- l = SLEB ();
- if (frame_need_space (fc, reg) < 0)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_val_offset_sf: %s%s at cfa%+ld\n",
- reg_prefix, regname (reg, 0),
- l * fc->data_factor);
- if (*reg_prefix == '\0')
+ if (do_display)
+ printf (_(" [%3d] 0x%s"),
+ i, dwarf_vmatoa64 (signature_high, signature_low,
+ buf, sizeof (buf)));
+ for (j = 0; j < ncols; j++)
{
- fc->col_type[reg] = DW_CFA_val_offset;
- fc->col_offset[reg] = l * fc->data_factor;
+ SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
+ if (do_display)
+ printf (" %8d", val);
+ else
+ {
+ SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
+
+ /* PR 17531: file: 10796eb3. */
+ if (dw_sect >= DW_SECT_MAX)
+ warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
+ else
+ this_set [row - 1].section_offsets [dw_sect] = val;
+ }
}
- break;
- case DW_CFA_def_cfa_sf:
- fc->cfa_reg = LEB ();
- fc->cfa_offset = SLEB ();
- fc->cfa_offset = fc->cfa_offset * fc->data_factor;
- fc->cfa_exp = 0;
- if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
- regname (fc->cfa_reg, 0), fc->cfa_offset);
- break;
+ if (do_display)
+ printf ("\n");
+ }
+ ph += 8;
+ pi += 4;
+ }
- case DW_CFA_def_cfa_offset_sf:
- fc->cfa_offset = SLEB ();
- fc->cfa_offset = fc->cfa_offset * fc->data_factor;
- if (! do_debug_frames_interp)
- printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset);
- break;
+ ph = phash;
+ pi = pindex;
+ if (do_display)
+ {
+ printf ("\n");
+ printf (_(" Size table\n"));
+ printf (" slot %-16s ",
+ is_tu_index ? _("signature") : _("dwo_id"));
+ }
- case DW_CFA_MIPS_advance_loc8:
- ofs = byte_get (start, 8); start += 8;
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
- else
- printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n",
- ofs * fc->code_factor,
- fc->pc_begin + ofs * fc->code_factor);
- fc->pc_begin += ofs * fc->code_factor;
- break;
+ for (j = 0; j < ncols; j++)
+ {
+ SAFE_BYTE_GET (val, ppool + j * 4, 4, limit);
+ if (do_display)
+ printf (" %8s", get_DW_SECT_short_name (val));
+ }
- case DW_CFA_GNU_window_save:
- if (! do_debug_frames_interp)
- printf (" DW_CFA_GNU_window_save\n");
- break;
+ if (do_display)
+ printf ("\n");
- case DW_CFA_GNU_args_size:
- ul = LEB ();
- if (! do_debug_frames_interp)
- printf (" DW_CFA_GNU_args_size: %ld\n", ul);
- break;
+ for (i = 0; i < nslots; i++)
+ {
+ SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
- case DW_CFA_GNU_negative_offset_extended:
- reg = LEB ();
- l = - LEB ();
- if (frame_need_space (fc, reg) < 0)
- reg_prefix = bad_reg;
- if (! do_debug_frames_interp || *reg_prefix != '\0')
- printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
- reg_prefix, regname (reg, 0),
- l * fc->data_factor);
- if (*reg_prefix == '\0')
+ SAFE_BYTE_GET (row, pi, 4, limit);
+ if (row != 0)
+ {
+ prow = psizes + (row - 1) * ncols * 4;
+
+ if (do_display)
+ printf (_(" [%3d] 0x%s"),
+ i, dwarf_vmatoa64 (signature_high, signature_low,
+ buf, sizeof (buf)));
+
+ for (j = 0; j < ncols; j++)
{
- fc->col_type[reg] = DW_CFA_offset;
- fc->col_offset[reg] = l * fc->data_factor;
+ SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
+ if (do_display)
+ printf (" %8d", val);
+ else
+ {
+ SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
+ if (dw_sect >= DW_SECT_MAX)
+ warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
+ else
+ this_set [row - 1].section_sizes [dw_sect] = val;
+ }
}
- break;
- default:
- if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
- printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
- else
- warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
- start = block_end;
+ if (do_display)
+ printf ("\n");
}
+
+ ph += 8;
+ pi += 4;
}
+ }
+ else if (do_display)
+ printf (_(" Unsupported version (%d)\n"), version);
- if (do_debug_frames_interp)
- frame_display_row (fc, &need_col_headers, &max_regs);
+ if (do_display)
+ printf ("\n");
- start = block_end;
- eh_addr_size = saved_eh_addr_size;
+ return 1;
+}
+
+/* Load the CU and TU indexes if present. This will build a list of
+ section sets that we can use to associate a .debug_info.dwo section
+ with its associated .debug_abbrev.dwo section in a .dwp file. */
+
+static bfd_boolean
+load_cu_tu_indexes (void *file)
+{
+ static int cu_tu_indexes_read = -1; /* Tri-state variable. */
+
+ /* If we have already loaded (or tried to load) the CU and TU indexes
+ then do not bother to repeat the task. */
+ if (cu_tu_indexes_read == -1)
+ {
+ cu_tu_indexes_read = TRUE;
+
+ if (load_debug_section_with_follow (dwp_cu_index, file))
+ if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
+ cu_tu_indexes_read = FALSE;
+
+ if (load_debug_section_with_follow (dwp_tu_index, file))
+ if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
+ cu_tu_indexes_read = FALSE;
}
- printf ("\n");
+ return (bfd_boolean) cu_tu_indexes_read;
+}
- return 1;
+/* Find the set of sections that includes section SHNDX. */
+
+unsigned int *
+find_cu_tu_set (void *file, unsigned int shndx)
+{
+ unsigned int i;
+
+ if (! load_cu_tu_indexes (file))
+ return NULL;
+
+ /* Find SHNDX in the shndx pool. */
+ for (i = 0; i < shndx_pool_used; i++)
+ if (shndx_pool [i] == shndx)
+ break;
+
+ if (i >= shndx_pool_used)
+ return NULL;
+
+ /* Now backup to find the first entry in the set. */
+ while (i > 0 && shndx_pool [i - 1] != 0)
+ i--;
+
+ return shndx_pool + i;
}
-#undef GET
-#undef LEB
-#undef SLEB
+/* Display a .debug_cu_index or .debug_tu_index section. */
+
+static int
+display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
+{
+ return process_cu_tu_index (section, 1);
+}
static int
display_debug_not_supported (struct dwarf_section *section,
return 1;
}
+/* Like malloc, but takes two parameters like calloc.
+ Verifies that the first parameter is not too large.
+ Note: does *not* initialise the allocated memory to zero. */
+
void *
cmalloc (size_t nmemb, size_t size)
{
/* Check for overflow. */
if (nmemb >= ~(size_t) 0 / size)
return NULL;
- else
- return malloc (nmemb * size);
+
+ return xmalloc (nmemb * size);
}
+/* Like xmalloc, but takes two parameters like calloc.
+ Verifies that the first parameter is not too large.
+ Note: does *not* initialise the allocated memory to zero. */
+
void *
xcmalloc (size_t nmemb, size_t size)
{
/* Check for overflow. */
if (nmemb >= ~(size_t) 0 / size)
- return NULL;
- else
- return xmalloc (nmemb * size);
+ {
+ fprintf (stderr,
+ _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
+ (long) nmemb);
+ xexit (1);
+ }
+
+ return xmalloc (nmemb * size);
}
+/* Like xrealloc, but takes three parameters.
+ Verifies that the second parameter is not too large.
+ Note: does *not* initialise any new memory to zero. */
+
void *
xcrealloc (void *ptr, size_t nmemb, size_t size)
{
/* Check for overflow. */
if (nmemb >= ~(size_t) 0 / size)
+ {
+ error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
+ (long) nmemb);
+ xexit (1);
+ }
+
+ return xrealloc (ptr, nmemb * size);
+}
+
+/* Like xcalloc, but verifies that the first parameter is not too large. */
+
+void *
+xcalloc2 (size_t nmemb, size_t size)
+{
+ /* Check for overflow. */
+ if (nmemb >= ~(size_t) 0 / size)
+ {
+ error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
+ (long) nmemb);
+ xexit (1);
+ }
+
+ return xcalloc (nmemb, size);
+}
+
+static unsigned long
+calc_gnu_debuglink_crc32 (unsigned long crc,
+ const unsigned char * buf,
+ bfd_size_type len)
+{
+ static const unsigned long crc32_table[256] =
+ {
+ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
+ 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
+ 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
+ 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+ 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
+ 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+ 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
+ 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
+ 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
+ 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
+ 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
+ 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
+ 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
+ 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
+ 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+ 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
+ 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+ 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
+ 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
+ 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
+ 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
+ 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
+ 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
+ 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+ 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
+ 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+ 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
+ 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
+ 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
+ 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
+ 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
+ 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
+ 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
+ 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
+ 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+ 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
+ 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+ 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
+ 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
+ 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
+ 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
+ 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
+ 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
+ 0x2d02ef8d
+ };
+ const unsigned char *end;
+
+ crc = ~crc & 0xffffffff;
+ for (end = buf + len; buf < end; ++ buf)
+ crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
+ return ~crc & 0xffffffff;
+}
+
+typedef bfd_boolean (* check_func_type) (const char *, void *);
+typedef const char * (* parse_func_type) (struct dwarf_section *, void *);
+
+static bfd_boolean
+check_gnu_debuglink (const char * pathname, void * crc_pointer)
+{
+ static unsigned char buffer [8 * 1024];
+ FILE * f;
+ bfd_size_type count;
+ unsigned long crc = 0;
+ void * sep_data;
+
+ sep_data = open_debug_file (pathname);
+ if (sep_data == NULL)
+ return FALSE;
+
+ /* Yes - we are opening the file twice... */
+ f = fopen (pathname, "rb");
+ if (f == NULL)
+ {
+ /* Paranoia: This should never happen. */
+ close_debug_file (sep_data);
+ warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
+ return FALSE;
+ }
+
+ while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
+ crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
+
+ fclose (f);
+
+ if (crc != * (unsigned long *) crc_pointer)
+ {
+ close_debug_file (sep_data);
+ warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
+ pathname);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static const char *
+parse_gnu_debuglink (struct dwarf_section * section, void * data)
+{
+ const char * name;
+ unsigned int crc_offset;
+ unsigned long * crc32 = (unsigned long *) data;
+
+ /* The name is first.
+ The CRC value is stored after the filename, aligned up to 4 bytes. */
+ name = (const char *) section->start;
+
+
+ crc_offset = strnlen (name, section->size) + 1;
+ crc_offset = (crc_offset + 3) & ~3;
+ if (crc_offset + 4 > section->size)
return NULL;
- else
- return xrealloc (ptr, nmemb * size);
+
+ * crc32 = byte_get (section->start + crc_offset, 4);
+ return name;
}
-void
-error (const char *message, ...)
+static bfd_boolean
+check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
+{
+ void * sep_data = open_debug_file (filename);
+
+ if (sep_data == NULL)
+ return FALSE;
+
+ /* FIXME: We should now extract the build-id in the separate file
+ and check it... */
+
+ return TRUE;
+}
+
+typedef struct build_id_data
+{
+ bfd_size_type len;
+ const unsigned char * data;
+} Build_id_data;
+
+static const char *
+parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
+{
+ const char * name;
+ bfd_size_type namelen;
+ bfd_size_type id_len;
+ Build_id_data * build_id_data;
+
+ /* The name is first.
+ The build-id follows immediately, with no padding, up to the section's end. */
+
+ name = (const char *) section->start;
+ namelen = strnlen (name, section->size) + 1;
+ if (namelen >= section->size)
+ return NULL;
+
+ id_len = section->size - namelen;
+ if (id_len < 0x14)
+ return NULL;
+
+ build_id_data = calloc (1, sizeof * build_id_data);
+ if (build_id_data == NULL)
+ return NULL;
+
+ build_id_data->len = id_len;
+ build_id_data->data = section->start + namelen;
+
+ * (Build_id_data **) data = build_id_data;
+
+ return name;
+}
+
+static void
+add_separate_debug_file (const char * filename, void * handle)
{
- va_list args;
+ separate_info * i = xmalloc (sizeof * i);
- va_start (args, message);
- fprintf (stderr, _("%s: Error: "), program_name);
- vfprintf (stderr, message, args);
- va_end (args);
+ i->filename = filename;
+ i->handle = handle;
+ i->next = first_separate_info;
+ first_separate_info = i;
}
-void
-warn (const char *message, ...)
+static void *
+load_separate_debug_info (const char * main_filename,
+ struct dwarf_section * xlink,
+ parse_func_type parse_func,
+ check_func_type check_func,
+ void * func_data)
+{
+ const char * separate_filename;
+ char * debug_filename;
+ char * canon_dir;
+ size_t canon_dirlen;
+ size_t dirlen;
+
+ if ((separate_filename = parse_func (xlink, func_data)) == NULL)
+ {
+ warn (_("Corrupt debuglink section: %s\n"),
+ xlink->name ? xlink->name : xlink->uncompressed_name);
+ return FALSE;
+ }
+
+ /* Attempt to locate the separate file.
+ This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
+
+ canon_dir = lrealpath (main_filename);
+
+ for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
+ if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
+ break;
+ canon_dir[canon_dirlen] = '\0';
+
+#ifndef DEBUGDIR
+#define DEBUGDIR "/lib/debug"
+#endif
+#ifndef EXTRA_DEBUG_ROOT1
+#define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
+#endif
+#ifndef EXTRA_DEBUG_ROOT2
+#define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
+#endif
+
+ debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1
+ + canon_dirlen
+ + strlen (".debug/")
+#ifdef EXTRA_DEBUG_ROOT1
+ + strlen (EXTRA_DEBUG_ROOT1)
+#endif
+#ifdef EXTRA_DEBUG_ROOT2
+ + strlen (EXTRA_DEBUG_ROOT2)
+#endif
+ + strlen (separate_filename)
+ + 1);
+ if (debug_filename == NULL)
+ {
+ warn (_("Out of memory"));
+ free (canon_dir);
+ return NULL;
+ }
+
+ /* First try in the current directory. */
+ sprintf (debug_filename, "%s", separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+
+ /* Then try in a subdirectory called .debug. */
+ sprintf (debug_filename, ".debug/%s", separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+
+ /* Then try in the same directory as the original file. */
+ sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+
+ /* And the .debug subdirectory of that directory. */
+ sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+
+#ifdef EXTRA_DEBUG_ROOT1
+ /* Try the first extra debug file root. */
+ sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+
+ /* Try the first extra debug file root. */
+ sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+#endif
+
+#ifdef EXTRA_DEBUG_ROOT2
+ /* Try the second extra debug file root. */
+ sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
+ if (check_func (debug_filename, func_data))
+ goto found;
+#endif
+
+ /* Then try in the global debug_filename directory. */
+ strcpy (debug_filename, DEBUGDIR);
+ dirlen = strlen (DEBUGDIR) - 1;
+ if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
+ strcat (debug_filename, "/");
+ strcat (debug_filename, (const char *) separate_filename);
+
+ if (check_func (debug_filename, func_data))
+ goto found;
+
+ /* Failed to find the file. */
+ warn (_("could not find separate debug file '%s'\n"), separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+
+#ifdef EXTRA_DEBUG_ROOT2
+ sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+#endif
+
+#ifdef EXTRA_DEBUG_ROOT1
+ sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+
+ sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+#endif
+
+ sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+
+ sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+
+ sprintf (debug_filename, ".debug/%s", separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+
+ sprintf (debug_filename, "%s", separate_filename);
+ warn (_("tried: %s\n"), debug_filename);
+
+ free (canon_dir);
+ free (debug_filename);
+ return NULL;
+
+ found:
+ free (canon_dir);
+
+ void * debug_handle;
+
+ /* Now open the file.... */
+ if ((debug_handle = open_debug_file (debug_filename)) == NULL)
+ {
+ warn (_("failed to open separate debug file: %s\n"), debug_filename);
+ free (debug_filename);
+ return FALSE;
+ }
+
+ /* FIXME: We do not check to see if there are any other separate debug info
+ files that would also match. */
+
+ printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename);
+ add_separate_debug_file (debug_filename, debug_handle);
+
+ /* Do not free debug_filename - it might be referenced inside
+ the structure returned by open_debug_file(). */
+ return debug_handle;
+}
+
+/* Attempt to load a separate dwarf object file. */
+
+static void *
+load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED)
{
- va_list args;
+ char * separate_filename;
+ void * separate_handle;
+
+ /* FIXME: Skip adding / if dwo_dir ends in /. */
+ separate_filename = concat (dir, "/", name, NULL);
+ if (separate_filename == NULL)
+ {
+ warn (_("Out of memory allocating dwo filename\n"));
+ return NULL;
+ }
+
+ if ((separate_handle = open_debug_file (separate_filename)) == NULL)
+ {
+ warn (_("Unable to load dwo file: %s\n"), separate_filename);
+ free (separate_filename);
+ return NULL;
+ }
- va_start (args, message);
- fprintf (stderr, _("%s: Warning: "), program_name);
- vfprintf (stderr, message, args);
- va_end (args);
+ /* FIXME: We should check the dwo_id. */
+
+ printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename);
+ add_separate_debug_file (separate_filename, separate_handle);
+ /* Note - separate_filename will be freed in free_debug_memory(). */
+ return separate_handle;
}
+/* Load the separate debug info file(s) attached to FILE, if any exist.
+ Returns TRUE if any were found, FALSE otherwise.
+ If TRUE is returned then the linked list starting at first_separate_info
+ will be populated with open file handles. */
+
+bfd_boolean
+load_separate_debug_files (void * file, const char * filename)
+{
+ /* Skip this operation if we are not interested in debug links. */
+ if (! do_follow_links && ! do_debug_links)
+ return FALSE;
+
+ /* See if there are any dwo links. */
+ if (load_debug_section (str, file)
+ && load_debug_section (abbrev, file)
+ && load_debug_section (info, file))
+ {
+ free_dwo_info ();
+
+ if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE))
+ {
+ bfd_boolean introduced = FALSE;
+ dwo_info * dwinfo;
+ const char * dir = NULL;
+ const char * id = NULL;
+
+ for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next)
+ {
+ switch (dwinfo->type)
+ {
+ case DWO_NAME:
+ if (do_debug_links)
+ {
+ if (! introduced)
+ {
+ printf (_("The %s section contains link(s) to dwo file(s):\n\n"),
+ debug_displays [info].section.uncompressed_name);
+ introduced = TRUE;
+ }
+
+ printf (_(" Name: %s\n"), dwinfo->value);
+ printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>"));
+ if (id != NULL)
+ display_data (printf (_(" ID: ")), (unsigned char *) id, 8);
+ else
+ printf (_(" ID: <unknown>\n"));
+ printf ("\n\n");
+ }
+
+ if (do_follow_links)
+ load_dwo_file (filename, dwinfo->value, dir, id);
+ break;
+
+ case DWO_DIR:
+ dir = dwinfo->value;
+ break;
+
+ case DWO_ID:
+ id = dwinfo->value;
+ break;
+
+ default:
+ error (_("Unexpected DWO INFO type"));
+ break;
+ }
+ }
+ }
+ }
+
+ if (! do_follow_links)
+ /* The other debug links will be displayed by display_debug_links()
+ so we do not need to do any further processing here. */
+ return FALSE;
+
+ /* FIXME: We do not check for the presence of both link sections in the same file. */
+ /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */
+ /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
+ /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
+
+ if (load_debug_section (gnu_debugaltlink, file))
+ {
+ Build_id_data * build_id_data;
+
+ load_separate_debug_info (filename,
+ & debug_displays[gnu_debugaltlink].section,
+ parse_gnu_debugaltlink,
+ check_gnu_debugaltlink,
+ & build_id_data);
+ }
+
+ if (load_debug_section (gnu_debuglink, file))
+ {
+ unsigned long crc32;
+
+ load_separate_debug_info (filename,
+ & debug_displays[gnu_debuglink].section,
+ parse_gnu_debuglink,
+ check_gnu_debuglink,
+ & crc32);
+ }
+
+ if (first_separate_info != NULL)
+ return TRUE;
+
+ do_follow_links = 0;
+ return FALSE;
+}
+
void
free_debug_memory (void)
{
free (debug_information [i].range_lists);
}
}
-
free (debug_information);
debug_information = NULL;
- num_debug_info_entries = 0;
+ alloc_num_debug_info_entries = num_debug_info_entries = 0;
}
+
+ separate_info * d;
+ separate_info * next;
+
+ for (d = first_separate_info; d != NULL; d = next)
+ {
+ close_debug_file (d->handle);
+ free ((void *) d->filename);
+ next = d->next;
+ free ((void *) d);
+ }
+ first_separate_info = NULL;
+
+ free_dwo_info ();
}
void
/* Please keep this table alpha- sorted. */
{ "Ranges", & do_debug_ranges, 1 },
{ "abbrev", & do_debug_abbrevs, 1 },
+ { "addr", & do_debug_addr, 1 },
{ "aranges", & do_debug_aranges, 1 },
+ { "cu_index", & do_debug_cu_index, 1 },
+ { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
+ { "follow-links", & do_follow_links, 1 },
{ "frames", & do_debug_frames, 1 },
{ "frames-interp", & do_debug_frames_interp, 1 },
+ /* The special .gdb_index section. */
+ { "gdb_index", & do_gdb_index, 1 },
{ "info", & do_debug_info, 1 },
{ "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
- { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
- { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
+ { "links", & do_debug_links, 1 },
{ "loc", & do_debug_loc, 1 },
{ "macro", & do_debug_macinfo, 1 },
{ "pubnames", & do_debug_pubnames, 1 },
{ "pubtypes", & do_debug_pubtypes, 1 },
- /* This entry is for compatability
+ /* This entry is for compatibility
with earlier versions of readelf. */
{ "ranges", & do_debug_aranges, 1 },
+ { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
{ "str", & do_debug_str, 1 },
/* These trace_* sections are used by Itanium VMS. */
{ "trace_abbrev", & do_trace_abbrevs, 1 },
};
const char *p;
-
+
p = names;
while (*p)
{
const debug_dump_long_opts * entry;
-
+
for (entry = opts_table; entry->option; entry++)
{
size_t len = strlen (entry->option);
-
+
if (strncmp (p, entry->option, len) == 0
&& (p[len] == ',' || p[len] == '\0'))
{
* entry->variable |= entry->val;
-
+
/* The --debug-dump=frames-interp option also
enables the --debug-dump=frames option. */
if (do_debug_frames_interp)
break;
}
}
-
+
if (entry->option == NULL)
{
warn (_("Unrecognized debug option '%s'\n"), p);
if (p == NULL)
break;
}
-
+
if (*p == ',')
p++;
}
while (letters[lindex])
switch (letters[lindex++])
{
- case 'i':
- do_debug_info = 1;
- break;
-
- case 'a':
- do_debug_abbrevs = 1;
- break;
-
- case 'l':
- do_debug_lines |= FLAG_DEBUG_LINES_RAW;
- break;
-
- case 'L':
- do_debug_lines |= FLAG_DEBUG_LINES_DECODED;
- break;
-
- case 'p':
- do_debug_pubnames = 1;
- break;
-
- case 't':
- do_debug_pubtypes = 1;
- break;
-
- case 'r':
- do_debug_aranges = 1;
- break;
-
- case 'R':
- do_debug_ranges = 1;
- break;
-
- case 'F':
- do_debug_frames_interp = 1;
- case 'f':
- do_debug_frames = 1;
- break;
-
- case 'm':
- do_debug_macinfo = 1;
- break;
-
- case 's':
- do_debug_str = 1;
- break;
-
- case 'o':
- do_debug_loc = 1;
- break;
-
+ case 'A': do_debug_addr = 1; break;
+ case 'a': do_debug_abbrevs = 1; break;
+ case 'c': do_debug_cu_index = 1; break;
+ case 'F': do_debug_frames_interp = 1; /* Fall through. */
+ case 'f': do_debug_frames = 1; break;
+ case 'g': do_gdb_index = 1; break;
+ case 'i': do_debug_info = 1; break;
+ case 'K': do_follow_links = 1; break;
+ case 'k': do_debug_links = 1; break;
+ case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
+ case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
+ case 'm': do_debug_macinfo = 1; break;
+ case 'o': do_debug_loc = 1; break;
+ case 'p': do_debug_pubnames = 1; break;
+ case 'R': do_debug_ranges = 1; break;
+ case 'r': do_debug_aranges = 1; break;
+ case 's': do_debug_str = 1; break;
+ case 'T': do_trace_aranges = 1; break;
+ case 't': do_debug_pubtypes = 1; break;
+ case 'U': do_trace_info = 1; break;
+ case 'u': do_trace_abbrevs = 1; break;
+
default:
- warn (_("Unrecognized debug option '%s'\n"), optarg);
+ warn (_("Unrecognized debug option '%s'\n"), letters);
break;
}
}
do_debug_macinfo = 1;
do_debug_str = 1;
do_debug_loc = 1;
+ do_gdb_index = 1;
do_trace_info = 1;
do_trace_abbrevs = 1;
do_trace_aranges = 1;
+ do_debug_addr = 1;
+ do_debug_cu_index = 1;
+ do_follow_links = 1;
+ do_debug_links = 1;
}
+#define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL
+#define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL
+
+/* N.B. The order here must match the order in section_display_enum. */
+
struct dwarf_section_display debug_displays[] =
{
- { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0 },
- display_debug_abbrev, &do_debug_abbrevs, 0 },
- { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0 },
- display_debug_aranges, &do_debug_aranges, 1 },
- { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0 },
- display_debug_frames, &do_debug_frames, 1 },
- { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0 },
- display_debug_info, &do_debug_info, 1 },
- { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0 },
- display_debug_lines, &do_debug_lines, 1 },
- { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0 },
- display_debug_pubnames, &do_debug_pubnames, 0 },
- { { ".eh_frame", "", NULL, NULL, 0, 0 },
- display_debug_frames, &do_debug_frames, 1 },
- { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0 },
- display_debug_macinfo, &do_debug_macinfo, 0 },
- { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0 },
- display_debug_str, &do_debug_str, 0 },
- { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0 },
- display_debug_loc, &do_debug_loc, 1 },
- { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0 },
- display_debug_pubnames, &do_debug_pubtypes, 0 },
- { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0 },
- display_debug_ranges, &do_debug_ranges, 1 },
- { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0 },
- display_debug_not_supported, NULL, 0 },
- { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0 },
- display_debug_not_supported, NULL, 0 },
- { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0 },
- display_debug_types, &do_debug_info, 1 },
- { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0 },
- display_debug_not_supported, NULL, 0 },
- { { ".trace_info", "", NULL, NULL, 0, 0 },
- display_trace_info, &do_trace_info, 1 },
- { { ".trace_abbrev", "", NULL, NULL, 0, 0 },
- display_debug_abbrev, &do_trace_abbrevs, 0 },
- { { ".trace_aranges", "", NULL, NULL, 0, 0 },
- display_debug_aranges, &do_trace_aranges, 0 }
+ { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
+ { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE },
+ { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
+ { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE },
+ { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
+ { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE },
+ { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE },
+ { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
+ { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
+ { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
+ { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
+ { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
+ { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
+ { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
+ { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE },
+ { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
+ { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
+ { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
+ { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
+ { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
+ { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE },
+ { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
+ { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE },
+ { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE },
+ { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE },
+ { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE },
+ { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE },
+ { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE },
+ { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
+ { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE },
+ { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
+ { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
+ { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
+ { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
+ { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE },
+ { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
+ { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
+ { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE },
+ { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
+ { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
+ { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
+ { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
+ /* Separate debug info files can containt their own .debug_str section,
+ and this might be in *addition* to a .debug_str section already present
+ in the main file. Hence we need to have two entries for .debug_str. */
+ { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
};
+
+/* A static assertion. */
+extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];
projects / deliverable / binutils-gdb.git / blobdiff